Table 1 Baseline characteristics for the intervention and control groups, reported as mean (standard deviation) or number (percent)

Child characteristics

Age of focus child (years)

6.09 (2.6)

6.26 (2.6)

t(611) = -0.79

.432

Gender (boys)

181 (57.3)

168 (56.8)

χ ²(1) =0.017

.896

Parent and family characteristics

Age (years)

38.09 (5.5)

38.38 (5.4)

t(611) = -0.65

.517

Gender (women)

238 (75.1)

211 (71.3)

χ ²(1) =1.13

.289

Born in Sweden

249 (78.5)

222 (75.0)

χ ²(1) =1.08

.298

Single-parent households

32 (10.2)

28 (9.5)

χ ²(1) =0.08

.782

Single-child households

50 (15.8)

45 (15.2)

χ ²(1) =0.04

.845

Higher education^a

176 (55.5)

177 (60.2)

χ ²(1) =1.37

.242

Family income^b

55108 (22481)

61484 (51421)

t(382) = -1.93

.055

Parental Self-Efficacy

363.8 (51.6)

366.8 (48.5)

t(593) = -0.73

.467

Child Health & Development

137.2 (13.4)

137.0 (14.6)

t(544) =0.17

.865

General Health Questionnaire

11.7 (2.7)

11.6 (2.5)

t(603) = -0.35

.729