Table 1.

Sample characteristics

Characteristic	n or mean (sd)	%
Child characteristics
Child living with	140
Living with both parents		82.9
Living with biological mother		15.7
Living with mother and stepfather		0.7
Living alternately with mother and father		0.7
Age at inclusion (months)	141 7.3 (5.1)
Child’s gender	141
Boy		49.0
Girl		51.0
Cohabitant siblings	137
First born child		72.0
Older siblings		28.0
Parental characteristics
Gender participating parent	157
Mothers		98.7
Fathers		1.3
Age of mothers at inclusion	140 29.7 (5.6)
Ethnic origin of mothers	96
Norwegian		82.6
Other European		6.5
African		3.3
Asian		5.4
South American		2.2
Maternal educational level at inclusion	140
Junior high school		5.7
Senior high school		12.1
Vocational education (1–2 years)		19.3
Bachelor degree		25.0
Master degree or higher		37.9
Ongoing education, mothers	130
Yes		18.7
No		81.3
Age of fathers at inclusion	134 32.8 (7.0)
Ethnic origin of fathers	93
Norwegian		89.8
Other European		6.8
African		2.3
North American		1.1
Fathers’ educational level at inclusion	135
Junior high school		5.3
Senior high school		17.3
Vocational education (1–2 years)		19.5
Bachelor’s degree		30.8
Master’s degree or higher		27.1
Ongoing education, fathers	132
Yes		13.3
No		86.7
Earlier/ongoing psychiatric illness	143
Mothers		17.5
Fathers		5.6
Other partner		0.7
Family income, after tax (in 1000 NKr)	135 33.9 (17.5)
Experienced support	140
Satisfied (very/a little)		90.0–99.3
Unsatisfied (very/a little)		0.7–10.0
Conflicts in close relations (partner, family, friends, colleagues)	127
Never/hardly ever		62.6–87.1
Sometimes		4.4–29.4
Often/very often		4.0–11.4