Appendix 3

Baseline comparisons between groups and independent variables.

VariablesIntervention group n = 71Control group 1 n = 82Control group 2 n = 76
Sex (female), n (%)39 (54.9)44 (53.7)39 (51.3)
Level of education (≥secondary school), n (%)20 (28.2)25 (30.9)18 (23.7)
Social class: highest (I), high (II), and middle level (III), n (%)15 (21.1)36 (46.3)15 (20.3)
Marital status (married), n (%)50 (70.4)66 (80.5)54 (71.1)
Employment status (employed), n (%)16 (22.5)23 (28.0)15 (19.7)
Travelling time to health centre (>20 min), n (%)9 (12.7)9 (11.0)8 (10.5)
Satisfaction with GP (never, almost never, sometimes), n (%)13 (18.3)25 (31.6)15 (19.7)
Self-reported health (excellent, good), n (%)26 (36.6)28 (35.5)28 (36.8)
Visit to private doctor, n (%)28 (39.4)35 (43.2)20 (26.3)
Family dysfunction (APGAR <7), n (%)10 (14.1)11 (14.5)16 (21.1)
Depressive symptoms (BDI positive), n (%)31 (43.7)29 (38.2)40 (52.6)
Age, yearsMean95% CIMean95% CIMean95% CI
47.843.5 to 52.149.145.3 to 52.951.346.9 to 55.7
Number of persons per household3.603.23 to 3.973.593.30 to 3.703.303.01 to 3.59
Trait anxiety (STAI-T)25.222.0 to 28.523.221.0 to 25.324.722.0 to 27.4
Depression (BDI)6.104.40 to 7.804.73.62 to 5.805.74.43 to 6.89
Hypochondria (GH+WI)7.396.27 to 8.516.285.39 to 7.176.475.62 to 7.32
Social support (Duke-UNC-11)25.323.1 to 27.525.423.5 to 27.222.920.9 to 24.9
Family cohesion (FES-Ch)7.126.59 to 7.647.326.88 to 7.557.046.56 to 7.52
Family expressivity (FES-E)5.705.26 to 6.135.895.56 to 6.235.975.61 to 6.34
Family conflict (FES-Cf)1.841.44 to 2.242.171.79 to 2.552.131.79 to 2.48
Number of chronic disease problems4.814.25 to 5.383.212.72 to 3.704.633.98 to 5.28
Number of referrals to specialists1.010.83 to 1.200.590.39 to 0.780.890.62 to 1.17
  • BDI = Beck Depression Inventory, short form:24,25 ‘(BDI positive)’ refers to the dichotomised variable (depression positive versus depression negative) and ‘Depression (BDI)’ is the quantitative variable. STAI = State–Trait Anxiety Inventory.23 GH+WI = General Hypochondria and Witheley Index from the Illness Behaviour Questionnaire.26 Duke-UNC-11 = Duke University and University of North Carolina Functional Social Support Questionnaire.28,29 FES = Family Environment Scale, dimensions:32 (Ch = cohesion), (E = expressiveness), (Cf = conflict).