TABLE 1. Maternal characteristics and the incidence of small-for-gestational-age infants among working pregnant women in Guatemala City, 1984-1986.
| Work characteristics | Small-for-gestational age (%) | Monthly income (US$) (mean + SD) |
Maternal height (mean + SD) |
Previous infant <2500 g (%) |
| Office | 16.8* | 153 (92) | 155.5 (6.5) | 8.5 |
| " Manual " | 20.8 | 93 (20) | 152.8 (6.7) | 9.7 |
* P <0.0001
Adapted from Launer et al. (16).