Table 2.

Demographic characteristics of women across latent classes

	Class 1 (n=3484)	Class 2 (n=2342)	Class 3 (n=730)	χ2 and p values
Race (%)
White	79·5	72·0	78·7	33·4; p<0·0001
African American	14·7	21·0	14·3
Other	5·8	7·0	6·9
Education (%)
High school or less	38·5	56·5	33·9	214·9; p<0·0001
College	37·8	28·6	39·9
Professional or graduate	23·7	14·9	26·2
Marital status (%)
Married/cohabiting	88·1	74·6	76·7	181·2; p<0·0001
Single	11·8	25·4	23·3
Low income proxy* (%)
No	90·3	80·8	60·0	63·9; p0<·0001
Yes	9·7	19·2	40·0
Study design
Prospective	73·4	68·6	89·0	117·2; p<0·0001
Retrospective	26·6	31·4	11·0

^*Government or State assistance.