Characteristics of the mothers of 844 small for gestational age (SGA) and 870 appropriate size for gestational age (AGA) infants
| SGA | AGA | OR (95% CI) | |||
|---|---|---|---|---|---|
| n | (%) | n | (%) | ||
| Socioeconomic group | χ2 = 25.2, p<0.001 | ||||
| High | 348 | (41.2) | 464 | (53.4) | 1.00 |
| Middle | 319 | (37.8) | 266 | (30.5) | 1.60 (1.29 to 1.98) |
| Low | 177 | (19.0) | 140 | (15.1) | 1.69 (1.30 to 2.19) |
| Ethnicity | χ2 = 89.9, p<0.001 | ||||
| European | 385 | (45.7) | 486 | (56.0) | 1.00 |
| Maori | 106 | (12.6) | 72 | (8.3) | 1.86 (1.34 to 2.58) |
| Pacific | 106 | (12.6) | 185 | (21.3) | 0.72 (0.55 to 0.95) |
| Indian | 107 | (12.7) | 31 | (3.6) | 4.36 (2.86 to 6.64) |
| Chinese, other Asian, others | 139 | (16.5) | 94 | (10.8) | 1.87 (1.38 to 2.53) |
| Smoking | χ2 = 43.3, p<0.001 | ||||
| No | 547 | (66.4) | 683 | (80.5) | 1.00 |
| Yes | 277 | (33.6) | 165 | (19.5) | 2.11 (1.69 to 2.64) |
| Mean | (SD) | Mean | (SD) | t Value, p value | |
|---|---|---|---|---|---|
| Age (years) | 29.1 | (5.7) | 30.3 | (5.5) | 4.75, <0.001 |
| Height (m) | 1.62 | (0.07) | 1.65 | (0.07) | 10.08, <0.001 |
| Weight (kg) | 59.8 | (13.7) | 66.5 | (14.5) | 9.85, <0.001 |