A dataset with developmental scores at the item level for 2389 children measured at 4176 visits (rows) between ages 0.3-4.0 year, with up to four visits per child.
gcdg_zafA data.frame with 4176 rows and 363 variables:
| Name | Type | Label |
ctrcd | chr | Country code (ISO 3166-1 alpha-3) |
cohort | chr | Cohort name |
cohortn | chr | Cohort number |
subjid | int | Child number |
agedays | int | Age (days) |
sex | chr | Either "male" or "female" |
gagebrth | int | Gestational age (days) |
by1mdd037 | 0/1 | Reaches for dangling ring |
by1mdd038 | 0/1 | Pushes car along |
by1mdd039 | 0/1 | Fingers hand in play |
by1mdd040 | 0/1 | Head follows dangling ring |
by1mdd041 | 0/1 | Head follows vanishing spoon |
by1mdd042 | 0/1 | Aware of strange situation |
by1mdd043 | 0/1 | Manipulates table edge slightly |
by1mdd044 | 0/1 | Carries ring to mouth |
by1mdd045 | 0/1 | inspects own hand |
by1mdd046 | 0/1 | Closes on dangling ring (check hand preference) |
by1mdd047 | 0/1 | turns head to sound of bell |
by1mdd048 | 0/1 | turns head to sound of rattle |
by1mdd049 | 0/1 | reaches for cube |
by1mdd050 | 0/1 | manipulates table edge actively |
by1mdd051 | 0/1 | eye-hand coordination in reaching |
by1mdd052 | 0/1 | regards pellet |
by1mdd053 | 0/1 | mirror image approach |
by1mdd054 | 0/1 | picks up cube (check hand preference) |
by1mdd055 | 0/1 | Vocalises attitudes |
by1mdd056 | 0/1 | retains 2 cubes |
by1mdd057 | 0/1 | exploitive paper play |
by1mdd058 | 0/1 | Discriminates strangers |
by1mdd060 | 0/1 | reaches persistently |
by1mdd061 | 0/1 | Likes frolic play |
by1mdd062 | 0/1 | turns head after fallen spoon |
by1mdd063 | 0/1 | lifts inverted cup |
by1mdd064 | 0/1 | reaches for second cube |
by1mdd065 | 0/1 | smiles at mirror (5.4 months) |
by1mdd066 | 0/1 | bangs in play |
by1mdd067 | 0/1 | sustained inspection of ring |
by1mdd068 | 0/1 | exploitive string play |
by1mdd069 | 0/1 | transfers objects hand to hand |
by1mdd070 | 0/1 | picks up cube deftly and directly |
by1mdd071 | 0/1 | pulls string: secures ring |
by1mdd072 | 0/1 | interest in sound production |
by1mdd073 | 0/1 | lifts cup with handle |
by1mdd074 | 0/1 | attends to scribbling |
by1mdd075 | 0/1 | looks for fallen spoon |
by1mdd076 | 0/1 | playful response to mirror |
by1mdd077 | 0/1 | retains 2 of 3 cubes offered |
by1mdd078 | 0/1 | manipulates bell: insterest in details |
by1mdd079 | 0/1 | vocalizes 4 different syllables |
by1mdd080 | 0/1 | pulls string adaptively: secures ring |
by1mdd081 | 0/1 | cooperates in games (is this some other scale?) |
by1mdd082 | 0/1 | attempts to secure 3 cubes |
by1mdd083 | 0/1 | rings bell purposely |
by1mdd084 | 0/1 | listens selectively with familiar words |
by1mdd085 | 0/1 | says "da-da" or equivalent |
by1mdd086 | 0/1 | Uncovers toy (check manual if by pulling cloth |
by1mdd087 | 0/1 | fingers holes in pegboard |
by1mdd088 | 0/1 | picks up cup, secures cube |
by1mdd089 | 0/1 | responds to verbal request |
by1mdd090 | 0/1 | puts cube in cup on command |
by1mdd091 | 0/1 | looks for content of box |
by1mdd092 | 0/1 | stirs with spoon in imitation |
by1mdd093 | 0/1 | looks at pictures in book |
by1mdd094 | 0/1 | inhibits on command |
by1mdd095 | 0/1 | attempting to imitate scribble |
by1mdd096 | 0/1 | unwraps cube |
by1mdd097 | 0/1 | repeats performance laughed at |
by1mdd098 | 0/1 | holds crayon adaptively |
by1mdd099 | 0/1 | pushes car along |
by1mdd100 | 0/1 | puts 3 or more cubes in cup |
by1mdd101 | 0/1 | jabbers expressively |
by1mdd102 | 0/1 | uncovers blue box |
by1mdd103 | 0/1 | turns pages of books |
by1mdd104 | 0/1 | Pats toy (whistle doll) in imitation |
by1mdd105 | 0/1 | dangles ring by string |
by1mdd106 | 0/1 | imitates words |
by1mdd107 | 0/1 | puts beads in box (6 of 8) |
by1mdd108 | 0/1 | places 1 peg repeateadly |
by1mdd109 | 0/1 | removes pellet from bottle |
by1mdd110 | 0/1 | blue board: places 1 round block |
by1mdd111 | 0/1 | builds tower of 2 cubes |
by1mdd112 | 0/1 | scribbles sponstaneously |
by1mdd113 | 0/1 | says 2 words |
by1mdd114 | 0/1 | puts 9 cubes in cup |
by1mdd115 | 0/1 | closes round box |
by1mdd116 | 0/1 | uses gestures to make wants known |
by1mdd117 | 0/1 | shows shoes or other clothing, or own toy |
by1mdd118 | 0/1 | pegs placed in 70 seconds |
by1mdd119 | 0/1 | builds tower of 3 cubes |
by1mdd120 | 0/1 | pink board: places round block |
by1mdd121 | 0/1 | blue board: places 2 round blocks |
by1mdd122 | 0/1 | attains toy with stick |
by1mdd123 | 0/1 | pegs placed in 42 seconds |
by1mdd124 | 0/1 | names 1 object |
by1mdd125 | 0/1 | imitates crayon stroke |
by1pdd016 | 0/1 | Ulnar-palmar prehension |
by1pdd017 | 0/1 | Sits with slight support |
by1pdd018 | 0/1 | Head balanced |
by1pdd019 | 0/1 | Turns from back to side |
by1pdd020 | 0/1 | Lifts head, dorsal position |
by1pdd021 | 0/1 | Partial thumb opposition |
by1pdd022 | 0/1 | Pulls to sitting |
by1pdd023 | 0/1 | Sits momentarily |
by1pdd024 | 0/1 | Unilateral reaching |
by1pdd025 | 0/1 | Attempts to secure pellet |
by1pdd026 | 0/1 | Rotates wrist |
by1pdd027 | 0/1 | Sits alone 30 seconds |
by1pdd028 | 0/1 | Rolls from back to stomach |
by1pdd029 | 0/1 | Sits steadily |
by1pdd030 | 0/1 | Scoops pellet |
by1pdd031 | 0/1 | Sits good coordination |
by1pdd032 | 0/1 | Complete thumb opposition |
by1pdd033 | 0/1 | Prewalking |
by1pdd034 | 0/1 | Early stepping movements |
by1pdd035 | 0/1 | Partial finger prehension |
by1pdd036 | 0/1 | Pulls to stand |
by1pdd037 | 0/1 | Raise self to sitting |
by1pdd038 | 0/1 | Stands up by furniture |
by1pdd039 | 0/1 | Combine midline |
by1pdd040 | 0/1 | Stepping movements |
by1pdd041 | 0/1 | Fine prehension |
by1pdd042 | 0/1 | Walks with help |
by1pdd043 | 0/1 | Sits down |
by1pdd044 | 0/1 | Play clap hands |
by1pdd045 | 0/1 | Stands alone |
by1pdd046 | 0/1 | Walks alone |
by1pdd047 | 0/1 | Stands up |
by1pdd048 | 0/1 | Throws ball |
by1pdd049 | 0/1 | Walsk sideways |
by1pdd050 | 0/1 | Walks backwards |
by1pdd051 | 0/1 | Stands on right foot with help |
by1pdd052 | 0/1 | Stands on left foot with help |
by1pdd053 | 0/1 | Walsk up stairs with help |
by1pdd054 | 0/1 | Walks down stairs with help |
gricgd004 | 0/1 | Holds rod put in hand (see E7) |
gricgd006 | 0/1 | Plays with own fingers |
gricgd007 | 0/1 | Resists withdrawal of rod |
gricgd008 | 0/1 | Claps cube put in hand |
gricgd009 | 0/1 | Reaches to Paper III - Pulls it away |
gricgd010 | 0/1 | Shows interest in box |
gricgd011 | 0/1 | (Performance) Holds 2 cubes. |
gricgd012 | 0/1 | (Performance) Takes cube or toy from table |
gricgd013 | 0/1 | (Performance) Passes toy from hand to hand |
gricgd014 | 0/1 | Drops one cube for third |
gricgd015 | 0/1 | Manipulates 2 objects at once |
gricgd016 | 0/1 | Reacts to Paper IV - Plays with, crumbles, etc. |
gricgd017 | 0/1 | Lifts inverted cup in search of toy |
gricgd018 | 0/1 | Rattles box |
gricgd019 | 0/1 | Lifts lid off box |
gricgd020 | 0/1 | (Performance) Clicks 2 bricks together |
gricgd021 | 0/1 | Tries to take cubes out of box |
gricgd022 | 0/1 | Finds toy under cup |
gricgd023 | 0/1 | (Performance) Accepts 3rd cube without dropping |
gricgd024 | 0/1 | Manipulates box, lid and cubes |
gricgd201 | 0/1 | Remove both cubes from box (shown) |
gricgd202 | 0/1 | Unwraps and finds toy |
gricgd203 | 0/1 | One circle board - 2 trials |
gricgd204 | 0/1 | Opens 2 boxes |
gricgd205 | 0/1 | Puts cubes in and out of boxes in play |
gricgd206 | 0/1 | Puts 2 cubes back into one box when encouraged to do so |
gricgd207 | 0/1 | Two circle board - one in |
gricgd208 | 0/1 | Square board - 2 trials |
gricgd209 | 0/1 | Two circle board - two in |
gricgd210 | 0/1 | Can put lid back on box |
gricgd211 | 0/1 | (Performance) Three hole board - one in. |
griehd005 | 0/1 | Follows a bell-ring - vomed in a complete circle |
griehd006 | 0/1 | Glances from one object to another |
griehd007 | 0/1 | Watches objects pulled along by string |
griehd008 | 0/1 | Visually explores new environment |
griehd009 | 0/1 | Reaches for ring and grasps |
griehd010 | 0/1 | Secures dangling ring |
griehd011 | 0/1 | Hands explore table surface |
griehd012 | 0/1 | Plays with ring - shaking bells, banging, etc. |
griehd013 | 0/1 | (Eye and Hand Co-ordination) Looks for falling object |
griehd014 | 0/1 | Strikes one object with another |
griehd015 | 0/1 | (Eye and Hand Co-ordination) Forefinger and thumb partly spe |
griehd016 | 0/1 | (Eye and Hand Co-ordination) Secures ring by means of strin |
griehd017 | 0/1 | (Eye and Hand Co-ordination) Fine prehension. |
griehd018 | 0/1 | (Eye and Hand Co-ordination) Dangles ring by the string |
griehd019 | 0/1 | Throws object |
griehd020 | 0/1 | (Eye and Hand Co-ordination) Thumb opposition complete. |
griehd021 | 0/1 | (Eye and Hand Co-ordination) Can point with index finger. |
griehd022 | 0/1 | Interest in motor car |
griehd023 | 0/1 | (Eye and Hand Co-ordination) Can hold pencil as if to mark o |
griehd024 | 0/1 | Likes holding little toys |
griehd201 | 0/1 | Uses pencil on paper a little |
griehd202 | 0/1 | Shows preference for one hand |
griehd203 | 0/1 | Plays rolling a ball |
griehd204 | 0/1 | Can hold 4 cubes in hands at once |
griehd205 | 0/1 | (Eye and Hand Co-ordination) Plays pushing little cars along |
griehd206 | 0/1 | Places one box, lid or brick upon another |
griehd208 | 0/1 | (Eye and Hand Co-ordination) Pulls paper or cloth to get toy |
griehd209 | 0/1 | (Eye and Hand Co-ordination) Scribbles more freely, and deli |
griehd210 | 0/1 | Constructive play with boxes or other materials |
griehd212 | 0/1 | Builds tower of 3 bricks |
grigmd005 | 0/1 | Lifts head when in dorsal position |
grigmd006 | 0/1 | Back firm when held in siting position |
grigmd007 | 0/1 | Lifts head and chest when prone |
grigmd008 | 0/1 | Can hold head erect continuously |
grigmd009 | 0/1 | Lifts head and shoulders when in dorsal position |
grigmd010 | 0/1 | Can roll from side to side |
grigmd011 | 0/1 | Crawling Reaction I: Draws up knee |
grigmd012 | 0/1 | (Locomotor) Sits with slight support. |
grigmd013 | 0/1 | (Locomotor) Can roll from back to stomach, etc. |
grigmd014 | 0/1 | Crawling Reaction II: Tries vigorously to crawl |
grigmd015 | 0/1 | (Locomotor) Sits alone for a short time |
grigmd016 | 0/1 | (Locomotor) Stepping reaction - one foot in front of the oth |
grigmd017 | 0/1 | (Locomotor) Can be left sitting on the floor. |
grigmd018 | 0/1 | Stands when held up |
grigmd019 | 0/1 | Crawling Reaction III: Makes some progress forwards or backw |
grigmd020 | 0/1 | Sits well in a chair |
grigmd021 | 0/1 | (Locomotor) Pulls self up and stands holding on to furniture |
grigmd022 | 0/1 | (Locomotor) Crawling Reaction IV: Creeps on hands and knees |
grigmd023 | 0/1 | (Locomotor) Side-steps around inside cot or play-pen holding |
grigmd024 | 0/1 | (Locomotor) Can walk when led. |
grigmd201 | 0/1 | Climbs on a low ledge or step |
grigmd202 | 0/1 | (Locomotor) Stands alone |
grigmd203 | 0/1 | (Locomotor) Takes a few steps alone |
grigmd204 | 0/1 | Kneels on floor or chair |
grigmd205 | 0/1 | Climbs - stairs (up) |
grigmd206 | 0/1 | Likes pushing pram, toy horse, etc. |
grigmd207 | 0/1 | (Locomotor) Walks alone well |
grigmd208 | 0/1 | (Locomotor) Stoops. |
grigmd210 | 0/1 | Climbs into a low armchair |
grigmd211 | 0/1 | (Locomotor) Can walk backwards a few steps |
grihsd004 | 0/1 | Searches for sound with eyes |
grihsd005 | 0/1 | (Hearing and Speech) Makes 2 + different speech sounds |
grihsd006 | 0/1 | Listens to music |
grihsd007 | 0/1 | Searches for sound with head movements |
grihsd008 | 0/1 | Listens to tuning fork |
grihsd009 | 0/1 | (Hearing and Speech)Turns head deliberately to bell |
grihsd010 | 0/1 | Coos or stops crying on hearing music |
grihsd011 | 0/1 | Talks (babbles) to person |
grihsd012 | 0/1 | Makes 4+ different sounds. |
grihsd013 | 0/1 | Responds when called |
grihsd014 | 0/1 | 2 syllable babble |
grihsd015 | 0/1 | Listens to conversations |
grihsd016 | 0/1 | (Hearing and Speech) Babbled phrases: 4 + syllables |
grihsd017 | 0/1 | (Hearing and Speech) Says Mama or Dada, etc. (one word clear |
grihsd018 | 0/1 | Listens to stop watch |
grihsd019 | 0/1 | (Hearing and Speech) Rings the bell |
grihsd020 | 0/1 | Shakes head for no |
grihsd021 | 0/1 | says 2 clear words |
grihsd022 | 0/1 | Short babbled sentences of 6+ syllables |
grihsd023 | 0/1 | Babbled monologue when alone |
grihsd024 | 0/1 | Says three clear words |
grihsd201 | 0/1 | Looks at pictures for a sew seconds |
grihsd202 | 0/1 | Tries definitely to sing |
grihsd203 | 0/1 | (Hearing and Speech)Knows own name. |
grihsd204 | 0/1 | Likes rhymes and jingles |
grihsd206 | 0/1 | Uses 4 clear words |
grihsd207 | 0/1 | (Hearing and Speech) One object in box identified |
grihsd209 | 0/1 | Long babbled sentences - some words clear |
grihsd210 | 0/1 | Enjoys pictre book |
grihsd211 | 0/1 | Uses 6 or 7 clear words |
grihsd212 | 0/1 | Two objects in box identified |
sgrehd009 | 0/1 | Grasps ring |
sgrehd012 | 0/1 | Carries ring to mouth |
sgrehd013 | 0/1 | Clutches ring |
sgrehd017 | 0/1 | Reaches for string |
sgrehd020 | 0/1 | Watches scribble |
sgrehd025 | 0/1 | Pulls toy by string |
sgrfmd008 | 0/1 | Looks at box on table |
sgrfmd011 | 0/1 | Drops one block for second |
sgrfmd016 | 0/1 | Grasps box. |
sgrfmd017 | 0/1 | Manipulates cube |
sgrfmd018 | 0/1 | Takes paper |
sgrgmd006 | 0/1 | Active in bath |
sgrgmd008 | 0/1 | Rolls from side to back |
sgrgmd014 | 0/1 | Plays with own toes |
sgrgmd018 | 0/1 | Stepping movements |
sgrgmd022 | 0/1 | Can turn on floor |
sgrgmd028 | 0/1 | Can stand next to furniture |
sgrhsd010 | 0/1 | Laughs aloud |
sgrhsd015 | 0/1 | Manipulates bell |
sgrhsd019 | 0/1 | Shouts for attention |
sgrhsd021 | 0/1 | Singing tones |
sgrhsd029 | 0/1 | Reacts to music |
sgrred006 | 0/1 | Vocalises when spoken to |
sgrred007 | 0/1 | Follows moving person |
sgrred008 | 0/1 | Coos and smiles |
sgrred009 | 0/1 | Friendly to strangers |
sgrred010 | 0/1 | Resist ring being taken away |
sgrred011 | 0/1 | Frolics when played with |
sgrred012 | 0/1 | Stops crying when spoken to |
sgrred013 | 0/1 | Turns head to person talking |
sgrred014 | 0/1 | Anticipate being lifted |
sgrred015 | 0/1 | Holds a spoon |
sgrred016 | 0/1 | Stretches to be taken |
sgrred017 | 0/1 | Drinks from a cup |
sgrred018 | 0/1 | Manipulates cup or spoon in play |
sgrred019 | 0/1 | Reacts to mirror image |
sgrred020 | 0/1 | Knows strangers |
sgrred021 | 0/1 | Enthusiastic |
sgrred022 | 0/1 | Displeased when toy taken |
sgrred023 | 0/1 | Helps hold cup |
sgrred024 | 0/1 | Pulls off hat |
sgrred025 | 0/1 | Smiles, plays mirror |
sgrred026 | 0/1 | Waves bye bye |
sgrred027 | 0/1 | Gives affection |
sgrred029 | 0/1 | Plays cup, saucer |
sgrred030 | 0/1 | Obeys simple requests |
sgrred031 | 0/1 | Pays pat-a-cake |
sgrred032 | 0/1 | Puts block in and out of cup |
sgrred033 | 0/1 | Helps dressing |
sgrred034 | 0/1 | Hold cup |
sgrred035 | 0/1 | Uses spoon |
sgrred036 | 0/1 | Shoes shoes |
sgrred037 | 0/1 | tries doorknob |
sgrred038 | 0/1 | sks toilet |
sgrred039 | 0/1 | Manages cup well |
sgrred040 | 0/1 | Can take off shoes and socks |
sgrred041 | 0/1 | Like book showing |
vinxxc002 | 0/1 | chew solid foods |
vinxxc003 | 0/1 | take off socks / shoes |
vinxxc004 | 0/1 | transfer objects |
vinxxc005 | 0/1 | overcome simple obstacles |
vinxxc006 | 0/1 | fetch something |
vinxxc007 | 0/1 | drink from cup / glass |
vinxxc008 | 0/1 | walk by his / herself |
vinxxc009 | 0/1 | get on with other children |
vinxxc010 | 0/1 | eat soft food with a spoon |
vinxxc011 | 0/1 | walk around the yard without supervision |
vinxxc012 | 0/1 | know what's edible |
vinxxc013 | 0/1 | use names of objects - shoe |
vinxxc014 | 0/1 | walk upstairs |
vinxxc015 | 0/1 | unwrap sweet |
vinxxc016 | 0/1 | use a short sentence |
vinxxc017 | 0/1 | ask or tell when it needs the toilet |
vinxxc018 | 0/1 | play by his / herself |
vinxxc019 | 0/1 | take off dress / shirt if buttons / zip undone |
vinxxc020 | 0/1 | get a cup of water without help |
vinxxc021 | 0/1 | dry hands after you have washed them |
vinxxc022 | 0/1 | avoid simple danger - knife / hot |
vinxxc023 | 0/1 | put on own dress / shirt |
vinxxc024 | 0/1 | tell you things / simple story |
vinxxc025 | 0/1 | walk downstairs |
vinxxc026 | 0/1 | play / do things with children - song |
vinxxc027 | 0/1 | put on own dress / shirt and do buttons |
vinxxc028 | 0/1 | help around the house / clear table |
vinxxc029 | 0/1 | perform for others stunts / rhymes |
vinxxc030 | 0/1 | wash hands and dry |
vinxxc031 | 0/1 | Play or do things with other children of same age eg sing so |
vinxxc032 | 0/1 | Use pencil or crayon for drawing |
vinxxc033 | 0/1 | Avoid simple dangers eg hot things, knives |
vinxxc034 | 0/1 | Buttons coat or dress |
vinxxc035 | 0/1 | Play competition exercise games eg skipping, marbles |
vinxxc036 | 0/1 | Walk down steps with one foot one ach step |
vinxxc037 | 0/1 | Dy hands without help |
vinxxc038 | 0/1 | Eat food with an implement |
vinxxc039 | 0/1 | Get a cup of water without help |
vinxxc040 | 0/1 | Help with little things around the house eg pick up things |
vinxxc041 | 0/1 | Tell things that happen or simple stories |
vinxxc042 | 0/1 | Put on jacket or dress without help except for zip or button |
vinxxc043 | 0/1 | Peform for other people, stunts, show off |
vinxxc044 | 0/1 | Use a pair of scissors without supervision |
vinxxc045 | 0/1 | Go to toilet by self, remove clothes, wipe |
vinxxc046 | 0/1 | Take off jacket or dress without help except for zip or butt |
vinxxc047 | 0/1 | Wash face without help |
vinxxc048 | 0/1 | Wash hands without help |
vinxxc049 | 0/1 | Play by themselves without supervision for short time |
vinxxc050 | 0/1 | Ask or tell when wants to go to toilet |
vinxxc051 | 0/1 | Generally dress self except for difficult fasteners |
The combination of subjid and agedays identifies each unique visit (row).
Instruments: Bayley I (by1), Griffiths (gri),
South African adapted Griffith (sgr), Vineland Social Maturity Scale (vin)
Richter L, Norris S, Pettifor J, Yach D, Cameron N. Cohort profile: Mandela’s children: the 1990 Birth to Twenty study in South Africa. International Journal of Epidemiology. 2007;36:504-511.