A dataset with developmental scores at the item level for 2038 children measured at 16722 visits (rows) between ages 0-2.5 year.
gcdg_nld_smoccA data.frame with 16722 rows and 64 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) |
ddicmm029 | 0/1 | Reacts when spoken to |
ddicmm030 | 0/1 | Smiles in response (M; can ask parents) |
ddicmm031 | 0/1 | vocalizes in response |
ddicmm033 | 0/1 | Says dada, baba, gaga |
ddicmm034 | 0/1 | Babbles while playing |
ddicmm036 | 0/1 | Waves 'bye-bye' (M; can ask parents) |
ddicmm037 | 0/1 | Uses two words with comprehension |
ddicmm039 | 0/1 | Says three 'words' |
ddicmm041 | 0/1 | Says sentences with 2 words |
ddicmm043 | 0/1 | Refers to self using 'me' or 'I' (M; can ask parents) |
ddicmd044 | 0/1 | Points at 5 pictures in the book |
ddicmd116 | 0/1 | Turn head to sound |
ddicmd136 | 0/1 | Reacts to verbal request (M; can ask parents) |
ddicmd141 | 0/1 | Identifies two named objects |
ddicmd148 | 0/1 | Understands 'play' orders |
ddifmd001 | 0/1 | Eyes fixate |
ddifmd002 | 0/1 | Follows with eyes and head 30d < 0 > 30d |
ddifmd003 | 0/1 | Hands open occasionally |
ddifmm004 | 0/1 | Watches own hands |
ddifmd005 | 0/1 | Plays with hands in midline |
ddifmd007 | 0/1 | Passes cube from hand to hand |
ddifmd008 | 0/1 | Holds cube, grasps another one with other hand |
ddifmm009 | 0/1 | Plays with both feet |
ddifmd010 | 0/1 | Picks up pellet between thumb and index finger |
ddifmd011 | 0/1 | Puts cube in and out of a box |
ddifmm012 | 0/1 | Plays 'give and take' (M; can ask parents) |
ddifmd013 | 0/1 | Tower of 2 cubes |
ddifmm014 | 0/1 | Explores environment energetically (M; can ask parents) |
ddifmd015 | 0/1 | Builds tower of 3 cubes |
ddifmm016 | 0/1 | Imitates everyday activities (M; can ask parents) |
ddifmd017 | 0/1 | Tower of 6 cubes |
ddifmd018 | 0/1 | Places round block in board |
ddifmm019 | 0/1 | Takes off shoes and socks (M; can ask parents) |
ddifmd154 | 0/1 | Eats with spoon without help (M; can ask parents) |
ddigmd006 | 0/1 | Grasps object within reach |
ddigmd052 | 0/1 | Moves arms equally well |
ddigmd053 | 0/1 | Moves legs equally well |
ddigmd054 | 0/1 | Stays suspended when lifted under the armpits |
ddigmd055 | 0/1 | No head lag if pulled to sitting |
ddigmd056 | 0/1 | Lifts chin off table for a moment |
ddigmd057 | 0/1 | Lifts head to 45 degrees on prone position |
ddigmd058 | 0/1 | Looks around to side with angle face-table 90 |
ddigmd059 | 0/1 | Flexes or stomps legs while being swung |
ddigmm060 | 0/1 | Rolls over back to front |
ddigmd061 | 0/1 | Balances head well while sitting |
ddigmd062 | 0/1 | Sits on buttocks while legs stretched |
ddigmd063 | 0/1 | Sits in stable position without support |
ddigmm064 | 0/1 | Crawls forward, abdomen on the floor |
ddigmm065 | 0/1 | Pulls up to standing position |
ddigmm066 | 0/1 | Crawls, abdomen off the floor (M; can ask parents) |
ddigmm067 | 0/1 | Walks while holding onto play-pen or furniture |
ddigmd068 | 0/1 | Walks alone |
ddigmd069 | 0/1 | Throws ball without falling |
ddigmd070 | 0/1 | Squats or bends to pick things up |
ddigmd071 | 0/1 | Kicks ball |
ddigmd146 | 0/1 | Drinks from cup (M; can ask parents) |
ddigmd168 | 0/1 | Walks well |
The combination of subjid and agedays identifies each unique visit (row).
Instruments: Dutch Development Instrument (Van Wiechenschema, version 1983): ddi
Herngreen WP, Reerink JD, van Noord-Zaadstra BM, Verloove-Vanhorick SP, Ruys JH. The SMOCC-study: Design of a representative cohort of live-born infants in the Netherlands. European Journal of Public Health. 1992;2:117-122.
head(gcdg_nld_smocc)
#> # A tibble: 6 × 64
#> ctrycd cohort cohortn subjid agedays sex gagebrth ddicmm029 ddicmm030
#> <chr> <chr> <int> <int> <int> <chr> <int> <int> <int>
#> 1 NLD GCDG-NLD-SMO… 53 5.30e6 30 Fema… 280 1 0
#> 2 NLD GCDG-NLD-SMO… 53 5.30e6 58 Fema… 280 NA 1
#> 3 NLD GCDG-NLD-SMO… 53 5.30e6 94 Fema… 280 NA NA
#> 4 NLD GCDG-NLD-SMO… 53 5.30e6 183 Fema… 280 NA NA
#> 5 NLD GCDG-NLD-SMO… 53 5.30e6 274 Fema… 280 NA NA
#> 6 NLD GCDG-NLD-SMO… 53 5.30e6 365 Fema… 280 NA NA
#> # ℹ 55 more variables: ddicmm031 <int>, ddicmm033 <int>, ddicmm034 <int>,
#> # ddicmm036 <int>, ddicmm037 <int>, ddicmm039 <int>, ddicmm041 <int>,
#> # ddicmm043 <int>, ddicmd044 <int>, ddicmd116 <int>, ddicmd136 <int>,
#> # ddicmd141 <int>, ddicmd148 <int>, ddifmd001 <int>, ddifmd002 <int>,
#> # ddifmd003 <int>, ddifmm004 <int>, ddifmd005 <int>, ddifmd007 <int>,
#> # ddifmd008 <int>, ddifmm009 <int>, ddifmd010 <int>, ddifmd011 <int>,
#> # ddifmm012 <int>, ddifmd013 <int>, ddifmm014 <int>, ddifmd015 <int>, …