A dataset with developmental scores at the item level for 990 unique children.
gcdg_chnA data.frame with 990 rows and 83 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) |
by3cgd025 | 0/1 | Searches for fallen object |
by3cgd026 | 0/1 | Bell Series: Manipulates |
by3cgd027 | 0/1 | Picks Up Block Series: Reaches for second block |
by3cgd028 | 0/1 | Pulls cloth to obtain object |
by3cgd029 | 0/1 | Pulls string adaptively |
by3cgd030 | 0/1 | Retains both blocks |
by3cgd031 | 0/1 | Bell Series: Rings purposely |
by3cgd032 | 0/1 | Looks at pictures |
by3cgd033 | 0/1 | Picks Up Block Series: Retains 2 of 3 blocks |
by3cgd034 | 0/1 | Searches for missing objects |
by3cgd035 | 0/1 | Takes blocks out of cup |
by3cgd036 | 0/1 | Block Series: 1 Block |
by3cgd037 | 0/1 | Picks up Block Series: 3 blocks |
by3cgd038 | 0/1 | Explores holes in pegboard |
by3cgd039 | 0/1 | Pushes car |
by3cgd040 | 0/1 | Finds hidden object |
by3cgd041 | 0/1 | Suspends ring |
by3cgd042 | 0/1 | Removes pellet |
by3cgd043 | 0/1 | Clear Box: Front |
by3cgd044 | 0/1 | Squeezes object |
by3cgd045 | 0/1 | Finds hidden object (Reversed) |
by3cgd046 | 0/1 | Removes lid from bottle |
by3cgd047 | 0/1 | Pegboard Series: 2 holes |
by3cgd048 | 0/1 | Relational Play Series: Self |
by3cgd049 | 0/1 | Pink Board Series: 1 piece |
by3cgd050 | 0/1 | Finds hidden object (Visible Displacement) |
by3cgd051 | 0/1 | Blue Board Series: 1 piece |
by3cgd052 | 0/1 | Clear Box: Sides |
by3cgd053 | 0/1 | Relational Play Series: Others |
by3cgd054 | 0/1 | Block Series: 9 Blocks |
by3cgd055 | 0/1 | Pegboard Series: 6 Pegs |
by3cgd056 | 0/1 | Pink Board Series: Completes |
by3cgd057 | 0/1 | Uses pencil to obtain object |
by3cgd058 | 0/1 | Blue Board Series: 4 Pieces |
by3cgd059 | 0/1 | Attends to story |
by3cgd060 | 0/1 | Rotated pink board |
by3cgd061 | 0/1 | Object assembly (Ball) |
by3cgd062 | 0/1 | Completes Pegboard: 25 Seconds |
by3cgd063 | 0/1 | Object assembly (Ice Cream Cone) |
by3cgd064 | 0/1 | Matches pictures |
by3cgd065 | 0/1 | Representational play |
by3cgd066 | 0/1 | Blue Board Series: Completes (75 seconds) |
by3cgd067 | 0/1 | Imitates a two-step action. |
by3cgd068 | 0/1 | Matches 3 colors |
by3cgd069 | 0/1 | Imaginary play |
by3cgd070 | 0/1 | Understands concept of one |
by3cgd071 | 0/1 | Multischeme combination play |
by3cgd072 | 0/1 | Concept Grouping: colour |
by3cgd073 | 0/1 | Concept Grouping: Size |
by3fmd019 | 0/1 | Transfers ring |
by3fmd020 | 0/1 | Food Pellet Series: Whole hand grasp |
by3fmd021 | 0/1 | Transfers block |
by3fmd022 | 0/1 | Block Series: Thumb-fingertip grasp |
by3fmd023 | 0/1 | Brings spoons or blocks to midline |
by3fmd024 | 0/1 | Food Pellet Series: Partial thumb opposition |
by3fmd025 | 0/1 | Lifts cup by the handle |
by3fmd026 | 0/1 | Food Pellet Series: Thumb-fingertip grasp |
by3fmd027 | 0/1 | Turns pages of books |
by3fmd028 | 0/1 | Grasp series: Palmar grasp |
by3fmd029 | 0/1 | Isolates extended ring finger |
by3fmd030 | 0/1 | Scribbles spontaneously |
by3fmd031 | 0/1 | Block Stacking Series: 2 blocks |
by3fmd032 | 0/1 | Imitates Stroke Series: Random |
by3fmd033 | 0/1 | Places 10 pellets in bottle (60 seconds) |
by3fmd034 | 0/1 | Grasp series: Transitional grasp |
by3fmd035 | 0/1 | Coins in slot |
by3fmd036 | 0/1 | Connecting Blocks: Apart |
by3fmd037 | 0/1 | Grasp Series: Intermediate (Tripod) grasp |
by3fmd038 | 0/1 | Block stacking Series: 6 blocks |
by3fmd039 | 0/1 | Uses hand to hold paper in place |
by3fmd040 | 0/1 | Imitates Strokes Series: Horizontal |
by3fmd041 | 0/1 | Imitates Strokes Series: Vertical |
by3fmd042 | 0/1 | Connecting Blocks: Together |
by3fmd043 | 0/1 | Imitates Strokes Series: Circular |
by3fmd044 | 0/1 | Builds train of blocks |
by3fmd045 | 0/1 | Strings 3 blocks |
Instruments: Bayley III (by3)
Lozoff B, Jiang Y, Li X, Zhou M, Richards B, Xu G, Clark KM, Liang F, Kaciroti N, Zhao G. Low-dose iron supplementation in infancy modestly increases infant iron status at 9 mo without decreasing growth or increasing illness in a randomized clinical trial in rural China. The Journal of nutrition. 2016;146:612-621.