different from the increase in PA levels condition (M=3.68, SD=2.75). However, the no change in PA levels condition (M=5.38, SD=3.84) did not significantly differ from the reduction in PA levels condition or the increase in PA levels condition). (See Table 8 for descriptive statistics and Table 9 for Tukey test output). Table 8 Descriptive Statistics for PHQ9 scores for different levels of PA Minimum Maximum Mean Standard Deviation 1 1 17 6.6400 4.21189 2 0 16 5.3846 3.83747 3 0 10 3.6800 72.74955 T Table 9 Tukey HSD Comparison for mood 95% Confidence Interval I J Mean Diff (I-J) Std Error Lower Bound Bound 1 2 -1.1942 3.7049 3 2.96000* 1.03387 .4865 5.4335 2 1 -1.25538 1.02388 -3.7049 1.1942 3 1.70462 1.02388 -.7449 4.1542 3 1 -2.96000* 1.03387 -5.4335 -5.4335 2 1.02388 -4.1542 -4.1542 *The mean difference is significant at the 0.05 level showing significant decrease in PHQ9 score (indicating improved mood) Figure 1. when there is an increase in PA levels between and third trimester “pre-pregnancy” (condition3) compared with a decrease in PA levels. The effect of PA on physical health
different from the increase in PA levels condition (M=3.68, SD=2.75). However, the no change in PA levels condition (M=5.38, SD=3.84) did not significantly differ from the reduction in PA levels condition or the increase in PA levels condition). (See Table 8 for descriptive statistics and Table 9 for Tukey test output). Table 8 Descriptive Statistics for PHQ9 scores for different levels of PA Minimum Maximum Mean Standard Deviation 1 1 17 6.6400 4.21189 2 0 16 5.3846 3.83747 3 0 10 3.6800 72.74955 T Table 9 Tukey HSD Comparison for mood 95% Confidence Interval I J Mean Diff (I-J) Std Error Lower Bound Bound 1 2 3 2.96000* 1.03387 -1.1942 .4865 3.7049 5.4335 2 1 3 -1.25538 1.70462 1.02388 1.02388 -3.7049 -.7449 1.1942 4.1542 3 1 2 -2.96000* 1.03387 1.02388 -5.4335 -4.1542 -5.4335 -4.1542 *The mean difference is significant at the 0.05 level Figure 1. showing significant decrease in PHQ9 score (indicating improved mood) when there is an increase in PA levels between “pre-pregnancy” and third trimester (condition3) compared with a decrease in PA levels. The effect of PA on physical health