a decreasing trendp = 0.07
A test for interaction across subgroups according to number of children (0, 1, 2, 3 or more children) showed a decreasing trend in the odds ratios (p = 0.07).
A test for interaction across subgroups according to number of children (0, 1, 2, 3 or more children) showed a decreasing trend in the odds ratios (p = 0.07).