Table 2 Sample description in 2- and 3-year-old children
From: Predictors of screen viewing time in young Singaporean children: the GUSTO cohort
|  | Subsample assessed at 2 years (n = 861) | Subsample assessed at 3 years (n = 861) |
|---|---|---|
Child age, months | 24.4 ± 0.9 | 36.5 ± 1.1 |
Study centre | ||
 KKH | 654 (76.0) | 651 (75.6) |
 NUH | 207 (24.0) | 210 (24.4) |
Ethnicity | Â | Â |
 Chinese | 490 (56.9) | 492 (57.1) |
 Malay | 220 (25.6) | 219 (25.4) |
 Indian | 151 (17.5) | 150 (17.4) |
Child sex | ||
 Male | 457 (53.1) | 461 (43.5) |
 Female | 404 (46.9) | 400 (46.5) |
Birth order | ||
 First-born | 383 (44.5) | 387 (45.0) |
 Second- or later-born | 478 (55.5) | 474 (55.1) |
Monthly household incomes | ||
 < 2000 SGD | 123 (14.3) | 126 (14.6) |
 2000-3999 SGD | 262 (30.4) | 253 (29.4) |
 4000-5999 SGD | 218 (25.3) | 212 (24.6) |
 ≥ 6000 SGD | 258 (30.0) | 270 (31.4) |
Accommodation type | ||
 Public housing | 786 (91.3) | 787 (91.4) |
 Private | 75 (8.7) | 74 (8.6) |
Maternal place of birth | ||
 Singapore | 539 (62.6) | 542 (63.0) |
 Abroad | 322 (37.4) | 319 (37.1) |
Maternal age | ||
 < 25 years | 83 (9.6) | 82 (9.5) |
 25-29 years | 263 (30.6) | 259 (30.1) |
 30-34 years | 279 (32.4) | 283 (32.9) |
 ≥ 35 years | 236 (27.4) | 237 (27.5) |
Maternal education | ||
 University | 300 (34.8) | 309 (35.9) |
 Post-secondary | 302 (35.1) | 294 (34.2) |
 Primary or Secondary | 259 (30.1) | 258 (30.0) |
Maternal BMI before pregnancy, kg/m2 | 22.8 ± 4.4 | 22.8 ± 4.4 |
Maternal tobacco consumption before pregnancy | ||
 Yes | 92 (10.7) | 89 (10.3) |
 No | 769 (89.3) | 772 (89.7) |
Maternal alcohol consumption before pregnancy | ||
 Yes | 295 (34.3) | 297 (34.5) |
 No | 566 (65.7) | 564 (65.5) |
Maternal physical activity level before pregnancy | ||
 Insufficiently active | 281 (32.9) | 286 (33.5) |
 Sufficiently active | 419 (49.1) | 418 (48.9) |
 Highly active | 153 (17.9) | 151 (17.7) |
 Missing, n | 8 | 6 |
Maternal daily television-viewing time | ||
 < 1 h | 152 (17.7) | 154 (17.9) |
 1-2 h | 237 (27.5) | 235 (27.3) |
 2-3 h | 187 (21.7) | 195 (22.7) |
 ≥ 3 h | 285 (33.1) | 277 (32.2) |
Maternal marital status | ||
 Married | 829 (97.1) | 828 (97.1) |
 Single/divorced | 25 (2.9) | 25 (2.9) |
 Missing, n | 7 | 8 |
Paternal age | ||
 < 30 years | 164 (22.0) | 156 (21.5) |
 30-34 years | 243 (32.6) | 235 (32.3) |
 35-39 years | 209 (28.0) | 207 (28.5) |
 ≥ 40 years | 130 (17.4) | 129 (17.7) |
 Missing, n | 115 | 134 |
Paternal education | ||
 University | 279 (39.0) | 277 (39.6) |
 Post-secondary | 157 (22.0) | 151 (21.6) |
 Primary or Secondary | 279 (39.0) | 272 (38.9) |
 Missing, n | 146 | 161 |
Paternal BMIa, kg/m2 | 25.7 ± 4.5 | 25.9 ± 4.8 |
Paternal daily television-viewing time | ||
 < 1 h | 235 (32.9) | 236 (33.7) |
 1-2 h | 268 (37.5) | 256 (36.6) |
 2-3 h | 102 (14.3) | 103 (14.7) |
 ≥ 3 h | 110 (15.4) | 105 (15.0) |
 Missing, n | 146 | 161 |