Table 2.
Comparison of respondent characteristics for the three randomised groups
| Group A: Postal | Group B: Mixed | Group C: Electronic | Significance | |
|---|---|---|---|---|
| Respondents’ age, mean (sd) | 43.0 (6.8) | 43.7 (6.1) | 43.3 (6.2) | ns |
| Respondents’ gender, % women | 79.6 (409) | 77.8 (416) | 77.9 (265) | ns |
| Respondents’ education, % (n) | ns | |||
| Elementary school | 4.1 (21) | 2.8 (15) | 2.0 (7) | |
| High school | 29.4 (150) | 33.5 (179) | 25.9 (89) | |
| University, 0–4 yrs | 32.7 (167) | 30.9 (165) | 37.6 (129) | |
| University, > 4 yrs | 33.9 (173) | 32.8 (175) | 34.4 (118) | |
| Respondent living together with other parent, % (n) | 81.1 (413) | 77.9 (415) | 76.2 (256) | ns |
| Participation in consultations previous year, % (n) | ns | |||
| Never | 2.0 (10) | 0.9 (5) | 0.3 (1) | |
| Once | 4.3 (22) | 4.5 (24) | 4.4 (15) | |
| Twice | 11.7 (60) | 10.7 (57) | 13.1 (45) | |
| 3 times | 27.0 (138) | 29.8 (159) | 29.4 (101) | |
| 4 times or more | 55.0 (281) | 54.1 (289) | 52.9 (182) |
aPearson chi-square tests for categorical variables, One-way ANOVA for continuous variables