Table 2

The effects of independent variables on growth by univariate analyses

CategoryBelow the 25th centile values for height (%)p ValueBelow the 25th centile values for weight (%)p Value
Helicobacter pyloriinfection
 Negative20.226.9
 Positive28.60.1425.40.803
Iron deficiency anaemia
 Negative19.824.8
 Positive40.60.00646.90.007
Sex
 Male19.523.4
 Female24.10.28130.60.118
Socioeconomic class
 I + II20.924.4
 III22.128.7
 IV18.80.92712.50.930
Housing tenure
 Owned22.126.8
 Rented20.70.74826.40.936
Crowding index
 < 1.519.627.0
 ⩾ 1.523.10.41726.40.900