Skip to main content
. 2016 Nov 18;6(11):e012086. doi: 10.1136/bmjopen-2016-012086

Table 1.

Baseline participant characteristics

Characteristic at baseline Control group Intervention group p Value test of difference*
N 175 184
Mean (SD) Mean (SD) t-test
Mean age, years 31.3 (5.12) 31.0 (5.10) 0.563
EQ-5D score 0.859 (0.14) 0.858 (0.15) 0.910
Socioeconomic index for areas1 1009.57 (30.12) 1014.43 (40.08) 0.197
Depression score2 3.46 (3.27) 4.20 (3.61) 0.045
Anxiety score2 2.77 (2.97) 3.85 (3.90) 0.004
Number of hours baby fusses or cries per 24 hours 3.30 (2.52) 2.83 (1.92) 0.048
N (%) N (%) Pearson χ2 test
Country of birth 0.794
 Australia 138 (78.86) 143 (77.72)
Language spoken at home 0.310
 English 145 (82.86) 159 (86.41)
 English+other 21 (12.00) 21 (11.41)
 Other 9 (5.14) 4 (2.17)
Level of education 0.738
 University degree 115 (65.71) 114 (61.96)
 TAFE or college certificate or diploma 33 (18.86) 37 (20.11)
 Up to completion of high school 27 (15.43) 33 (17.93)
Marital status 0.083
 Married or de facto 165 (94.29) 180 (97.83)
 Single or not living with partner 10 (5.71) 4 (2.17)
 Health care card holder 26 (14.86) 18 (9.78) 0.143
 Private health insurance 124 (70.86) 113 (61.41) 0.059
Self-rated health 0.706
 Excellent 62 (35.43) 64 (34.78)
 Very good 89 (50.86) 89 (48.37)
 Good 24 (13.71) 31 (16.85)
History of…
 Any psychiatric disorder 37 (21.14) 52 (28.26) 0.118
 Depression 24 (13.71) 37 (20.11) 0.107
 Anxiety 25 (14.29) 30 (16.30) 0.596
 Post-traumatic stress disorder 6 (3.43) 4 (2.17) 0.470
 Eating or dieting disorder 2 (1.14) 9 (4.89) 0.039
 Alcohol or drug dependence 1 (0.57) 4 (2.17) 0.195
 Physical or sexual abuse 10 (5.71) 18 (9.78) 0.151

1 42 2 PHQ-958 3 PHQ GAD-7.59

*Bold indicates statistically significant at 5% level of significance.