Table 5.
Relationship between birth weight and psychomotor development (PD) index (n=647)
| Birth weight |
n (%) | Mean PDI (SD) | Adjusted mean difference (95% CI)a | p-value | Adjusted mean difference (95% CI)b | p-value | Adjusted mean difference (95% CI)c | p-value | |
|---|---|---|---|---|---|---|---|---|---|
| LBW | Yes | 86 (13.2) | 94.13 (18.13) | −4.21 (−7.88, −0.56) | 0.024 | −3.41 (−6.83, 0.02) | 0.051 | −1.82 (−5.33, 1.69) | NS |
| No | 566 (86.8) | 98.47 (15.84) | NA | NA | NA | NA | NA | NA | |
| Birth weight groups | 1 (<2.50 kg) | 86 (13.2) | 94.50 (1.76) | −6.08 (−10.28, −1.88) | 0.005 | −3.59 (−7.56, 0.38) | NS | −1.80 (−5.86, 2.26) | NS |
| 2 (2.50–2.99 kg) | 179 (27.5) | 98.60 (1.21) | −1.81 (−5.23, 1.61) | NS | −0.64 (−3.86, 2.57) | NS | −0.14 (−3.36, 3.08) | NS | |
| 3 (3.00–2.29 kg) | 216 (33.1) | 97.16 (1.20) | −3.16 (−6.42, 0.11) | 0.058 | −0.33 (−3.45, 2.79) | NS | −0.14 (−3.25, 2.97) | NS | |
| 4 (≥3.30 kg) | 171 (26.2) | 100.06 (1.25) | NA | NA | NA | NA | NA | NA | |
| p-value for trend | 0.022 | NS | NS | ||||||
LBW: low birth weight; NA; not applicable; NS: not significant; PDI; psychomotor development index.
a
Adjusted for age and gender.
b
Adjusted for age, gender and socioeconomic (SE) index.
c
Adjusted for age, gender, SE index, stunted, underweight and wasted.