Table 1.
Means of psychological outcomes over time across intervention conditions.
| Baseline | Time 2 | Time 3 | Time 4 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| Second trimester pregnancy | Third trimester pregnancy | 6 months postpartum | 12 months postpartum | |||||||||
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| IC | CP | CP+ | IC | CP | CP+ | IC | CP | CP+ | IC | CP | CP+ | |
| M (SE) | M (SE) | M (SE) | M (SE) | M (SE) | M (SE) | M (SE) | M (SE) | M (SE) | M (SE) | M (SE) | M (SE) | |
| Self-esteem | 32.8 (0.61) | 32.2 (0.62) | 33.0 (0.63) | 33.4 (0.38) | 33.3 (0.38) | 34.3 (0.38) | 34.2 (0.40) | 34.0 (0.41) | 34.8 (0.40) | 34.9 (0.79) | 34.4 (0.80) | 34.7 (0.70) |
| Depression | 13.1 (0.99) | 14.2 (1.0) | 13.2 (1.0) | 12.3 (0.64) | 12.8 (0.64) | 11.5 (0.63) | 9.8 (0.64) | 10.3 (0.67) | 9.2 (0.65) | 9.3 (1.3) | 9.4 (1.3) | 9.4 (1.3) |
| Social support | 28.9 (0.72) | 28.5 (0.74) | 28.7 (0.74) | 29.6 (0.44) | 29.6 (0.44) | 29.9 (0.43) | 29.6 (0.48) | 29.6 (0.48) | 29.9 (0.48) | 29.6 (0.95) | 29.6 (0.95) | 29.8 (0.94) |
| Social conflict | 21.3(0.86) | 22.0 (0.88) | 21.2 (0.88) | 20.1 (0.55) | 21.0 (0.54) | 19.9 (0.54) | 19.0 (0.57) | 18.9 (0.59) | 18.2 (0.55) | 18.6 (1.1) | 18.6 (1.1) | 18.1 (1.1) |
| Stress* | 19.4 (0.84) | 19.9 (0.86) | 18.6 (0.87) | 17.5 (0.54) | 18.5 (0.53) | 16.6 (0.53) | 15.9 (0.56) | 16.2 (0.58) | 14.8 (0.56) | 14.6 (1.1) | 14.8 (1.1) | 14.9 (1.1) |
Notes: IC, individual care; CP, CenteringPregnancy; CP+, CenteringPregnancy Plus; M, mean; SE, standard error; CP+ compared to CP group between time 1 and time 4; t-test = 2.03.
*
p = 0.04.