Table 1 Participant characteristics.
Measure | VIPP-PRE | Control | t/χ2b |
|---|---|---|---|
Mean (SD)a | n = 39 | n = 34 | |
Demographics | |||
Age father | 32.57 (2.87) | 32.66 (3.71) | −0.12 |
Education father | 8.56 (1.48) | 9.06 (1.37) | −1.47 |
Race father (% Caucasian) | 93 | 97 | −0.79 |
Age mother | 30.05 (3.33) | 30.95 (3.64) | −1.11 |
Gestational age infant at pretest (weeks) | 24.91 (2.78) | 25.00 (2.89) | −0.13 |
Age infant at posttest (weeks) | 11.07 (4.77) | 9.72 (2.41) | 1.50 |
Infant sex (% boys) | 38 | 38 | 0.00 |
Health-related variables | |||
Pregnancy complications (% yes) | 35 | 56 | −2.91 |
Birth complications (% yes) | 41 | 47 | −0.24 |
Infant health | −0.11 (0.70) | 0.08 (0.79) | −1.02 |
Depressive symptoms father | 5.03 (3.41) | 5.12 (3.13) | −0.12 |
Outcome variables at pretest | |||
Sensitivity | 5.34 (1.78) | 6.11 (1.80) | −1.83 |
Involvement | 0.42 (0.17) | 0.40 (0.15) | 0.42 |
Outcome variables at posttest | |||
Sensitivity | 5.94 (1.56) | 5.56 (1.57) | 1.03 |
Involvement | 0.81 (0.12) | 0.76 (0.18) | 1.42 |