Table 1.
Baseline characteristics of the study participants: women with gestational diabetes mellitus recruited at the Center of Maternal Primary Care in Guangdong General Hospital, China, from June 2008 to July 2009
| Control group (n 42) | Low-GL group (n 41) | ||||
|---|---|---|---|---|---|
| Characteristic | Mean or n | sd or % | Mean or n | sd or % | P |
| Age (years), mean and sd | 30·0 | 3·5 | 30·1 | 3·8 | 0·901 |
| Pre-pregnancy BMI (kg/m2), mean and sd | 21·15 | 2·75 | 21·90 | 3·14 | 0·250 |
| BMI≥24 kg/m2 *, n and % | 7 | 17 | 9 | 21 | 0·542 |
| Education level* | 0·970 | ||||
| >College education, n and % | 37 | 88 | 37 | 90 | |
| Gestational week at diagnosis (weeks), mean and sd | 25·6 | 0·8 | 25·8 | 0·7 | 0·229 |
| Gestational week at intervention (weeks), mean and sd | 27·9 | 1·1 | 27·5 | 1·1 | 0·102 |
| Family history of diabetes* | 0·276 | ||||
| Yes, n and % | 8 | 19 | 12 | 29 | |
| Adverse reproductive history* | 0·626 | ||||
| Yes, n and % | 3 | 7 | 1 | 2 | |
GL, glycaemic load.
*
The χ 2 test was used for the group comparisons. For the others, the t test was used.