Table 3.
Comparison of changes in anthropometric indicators between dry and rainy seasons (multivariate analysis) among children aged 6–23 months, Niakhar, Senegal, 1983–1984
| Net effect of season | |||||
|---|---|---|---|---|---|
| Overall standard deviation | Mean | P value | Contrast, rainy – dry | ||
| Indicator | (σ) | (β) | sd | (season) | (β/σ) |
| Arm circumference based | |||||
| MUAC (cm) | 1·267 | −0·725 | 0·051 | 2·1 × 10–44 | −0·57 |
| Muscle circumference (cm) | 1·012 | −0·479 | 0·041 | 2·5 × 10–31 | −0·47 |
| Weight and height based | |||||
| Weight-for-height Z-score | 1·163 | −0·632 | 0·047 | 3·2 × 10–40 | −0·54 |
| BMI (kg/m2) | 1·492 | −0·756 | 0·060 | 1·9 × 10–35 | −0·51 |
| Weight based | |||||
| Weight-for-age Z-score | 1·218 | −0·518 | 0·034 | 7·6 × 10–51 | −0·43 |
| Weight (kg) | 1·532 | −0·539 | 0·036 | 1·2 × 10–48 | −0·35 |
| Fat based | |||||
| Triceps skinfold (mm) | 1·813 | −0·778 | 0·089 | 2·5 × 10–18 | −0·43 |
| Subscapular skinfold (mm) | 1·640 | −0·064 | 0·077 | 0·403 | −0·04 |
| Based on linear growth | |||||
| Height (cm) | 5·576 | −0·555 | 0·076 | 4·0 × 10–13 | −0·10 |
| Head circumference (cm) | 1·818 | 0·050 | 0·032 | 0·115 | +0·03 |
MUAC, mid-upper arm circumference.
Control variables are age, sex and duration of interval. P values from t test on regression models.
Corresponding values in 2006 WHO growth standards: contrast = −0·55 for weight-for-height Z-score and contrast = −0·43 for weight-for-age Z-score.