95% CI, 95% Confidence Interval; OR, Odds Ratio; SEP, Socioeconomic Position

Supplementary table 1. Age-adjusted and age-and body mass index-adjusted odds ratio for the association between socioeconomic characteristics and body image satisfaction before pregnancy estimated by multinomial logistic regression, among primiparous women.

Body image satisfaction
Too small / Satisfied / Too large
OR (95%CI)a / OR (95%CI)b / OR / OR (95%CI)a / OR (95%CI)b
Childhood SEP
Highest parents´ education (years)
≥ 12 / 1 / 1 / 1 / 1 / 1
9-11 / 0.93 (0.57-1.51) / 0.95 (0.57-1.57) / 1 / 0.87 (0.64-1.19) / 0.80 (0.57-1.11)
6-8 / 0.98 (0.62-1.54) / 1.08 (0.68-1.73) / 1 / 0.93 (0.69-1.26) / 0.78 (0.56-1.07)
4-5 / 0.83 (0.58-1.19) / 0.98 (0.67-1.42) / 1 / 1.21 (0.97-1.51) / 0.95 (0.75-1.20)
<4 / 1.60 (0.72-3.55) / 1.78 (0.77-4.10) / 1 / 2.07 (1.24-3.46) / 1.53 (0.88-2.65)
Does not know / 0.65 (0.34-1.25) / 0.70 (0.36-1.36) / 1 / 1.02 (0.70-1.49) / 0.93 (0.62-1.40)
p for trend / 0.764 / 0.817 / 0.394 / 0.512
Amenities (car, maid, vacations)
All / 1 / 1 / 1 / 1 / 1
2 / 1.40 (0.80-2.42) / 1.55 (0.88-2.73) / 1 / 1.13 (0.85-1.50) / 0.92 (0.68-1.24)
1 / 1.36 (0.79-2.33) / 1.59 (0.91-2.77) / 1 / 1.22 (0.93-1.60) / 0.91 (0.68-1.22)
None / 1.91 (1.17-3.27) / 2.30 (1.32-3.99) / 1 / 1.44 (1.09-1.90) / 1.01 (0.75-1.36)
p for trend / 0.008 / 0.001 / 0.003 / 0.666
Current SEP
Education (years)
≥ 12 / 1 / 1 / 1 / 1 / 1
10-11 / 1.18 (0.76-1.82) / 1.32 (0.84-2.06) / 1 / 1.06 (0.80-1.39) / 0.88 (0.65-1.18)
5-9 / 1.17 (0.87-1.56) / 1.35 (1.00-1.83) / 1 / 1.29 (1.09-1.54) / 0.98 (0.81-1.18)
≤ 4 / 1.15 (0.52-2.54) / 1.12 (0.49-2.58) / 1 / 1.40 (0.89-2.22) / 0.92 (0.55-1.54)
p for trend / 0.315 / 0.078 / 0.002 / 0.751
Household monthly income (€)
> 1500 / 1 / 1 / 1 / 1 / 1
1001-1500 / 1.27 (0.88-1.82) / 1.34 (0.92-1.95) / 1 / 1.43 (1.17-1.75) / 1.27 (1.02-1.57)
500-1000 / 1.21 (0.84-1.73) / 1.28 (0.88-1.85) / 1 / 1.32 (1.08-1.62) / 1.10 (0.88-1.36)
< 500 / 1.34 (0.78-2.29) / 1.27 (0.72-2.22) / 1 / 1.14 (0.80-1.65) / 0.93 (0.62-1.38)
Does not know/ Prefers not to answer / 1.30 (0.78-2.29) / 1.19 (0.75-1.88) / 1 / 0.98 (0.73-1.30) / 0.89 (0.66-1.21)
p for trend / 0.256 / 0.311 / 0.076 / 0.940
Working condition
Employed / 1 / 1 / 1 / 1 / 1
Unemployed / 1.03 (0.76-1.41) / 1.00 (0.72-1.37) / 1 / 0.92 (0.76-1.12) / 0.84 (0.68-1.03)
Housewife / 2.02 (1.11-3.67) / 1.81 (0.98-3.36) / 1 / 1.15 (0.71-1.85) / 1.26 (0.76-2.11)
Others / 1.08 (0.66-1.77) / 0.85 (0.51-1.43) / 1 / 0.53 (0.34-0.80) / 0.61 (0.39-0.95)

95% CI, 95% confidence interval; OR, odds ratio; SEP, socioeconomic position.

a Adjusted for age (<25; 25-29; 30-34; ≥35),

b Adjusted for age (<25; 25-29; 30-34; ≥35) and body mass index (<18.5; 18.5-24.9; 25.0-29.9; ≥30.0)


Supplementary table 2. Age-adjusted and age- and body mass index-adjusted odds ratio for the association between socioeconomic characteristics and body image satisfaction before pregnancy estimated by multinomial logistic regression, among multiparous women.

Body image satisfaction
Too small / Satisfied / Too large
OR (95%CI)a / OR (95%CI)b / OR / OR (95%CI)a / OR (95%CI)b
Childhood SEP
Highest parents´ education (years)
≥ 12 / 1 / 1 / 1 / 1 / 1
9-11 / 0.93 (0.36-2.32) / 0.99 (0.39-2.49) / 1 / 1.40 (0.91-2.16) / 1.21 (0.76-1.92)
6-8 / 1.64 (0.78-3.45) / 1.72 (0.81-3.65) / 1 / 1.22 (0.81-1.83) / 1.04 (0.67-1.61)
4-5 / 1.38 (0.77-2.46) / 1.45 (0.81-2.61) / 1 / 1.52 (1.15-2.01) / 1.18 (0.87-1.60)
<4 / 1.94 (0.84-4.46) / 2.02 (0.87-4.68) / 1 / 1.85 (1.21-2.84) / 1.21 (0.75-1.94)
Does not know / 2.37 (1.09-5.15) / 2.43 (1.10-5.34) / 1 / 1.82 (1.17-2.83) / 1.31 (0.80-2.12)
p for trend / 0.129 / 0.108 / 0.001 / 0.324
Amenities (car, maid, vacations)
All / 1 / 1 / 1 / 1 / 1
2 / 1.15 (0.51-2.56) / 1.12 (0.50-2.50) / 1 / 1.42 (0.98-2.05) / 1.37 (0.92-2.04)
1 / 1.50 (0.70-3.23) / 1.54 (0.72-3.33) / 1 / 1.73 (1.21-2.46) / 1.48 (1.01-2.17)
None / 1.93 (0.93-4.01) / 1.94 (0.93-4.03) / 1 / 1.78 (1.27-2.50) / 1.38 (0.96-1.99)
p for trend / 0.006 / 0.006 / 0.001 / 0.257
Current SEP
Education (years)
≥ 12 / 1 / 1 / 1 / 1 / 1
10-11 / 1.46 (0.73-2.95) / 1.52 (0.75-3.09) / 1 / 1.31 (0.90-1.89) / 1.08 (0.72-1.62)
5-9 / 1.70 (1.12-2.58) / 1.75 (1.14-2.68) / 1 / 1.35 (1.10-1.65) / 1.06 (0.85-1.33)
≤ 4 / 2.15 (1.22-3.78) / 2.39 (1.35-4.24) / 1 / 1.67 (1.25-2.23) / 1.02 (0.74-1.40)
p for trend / 0.003 / 0.001 / <0.001 / 0.720
Household monthly income (€)
> 1500 / 1 / 1 / 1 / 1 / 1
1001-1500 / 1.30 (0.77-2.18) / 1.39 (0.82-2.34) / 1 / 1.37 (1.07-1.75) / 1.10 (0.85-1.44)
500-1000 / 1.61 (1.01-2.56) / 1.69 (1.06-2.72) / 1 / 1.31 (1.04-1.65) / 0.96 (0.75-1.23)
< 500 / 2.82 (1.54-5.18) / 2.94 (1.58-5.44) / 1 / 1.61 (1.11-2.33) / 1.05 (0.70-1.59)
Does not know/ Prefers not to answer / 1.29 (0.70-2.38) / 1.40 (0.76-2.59) / 1 / 0.76 (0.55-1.05) / 0.58 (0.40-0.83)
p for trend / 0.001 / 0.001 / 0.006 / 0.842
Working condition
Employed / 1 / 1 / 1 / 1 / 1
Unemployed / 1.36 (0.92-1.99) / 1.41 (0.96-2.07) / 1 / 0.99 (0.80-1.23) / 0.85 (0.67-1.08)
Housewife / 2.22 (1.35-3.63) / 2.14 (1.30-3.54) / 1 / 1.30 (0.95-1.77) / 1.02 (0.72-1.45)
Others / 0.56 (0.07-4.58) / 0.51 (0.06-4.21) / 1 / 1.37 (0.55-3.41) / 1.39 (0.49-3.89)

95% CI, 95% confidence interval; OR, odds ratio; SEP, socioeconomic position.

a Adjusted for age (<25; 25-29; 30-34; ≥35),

b Adjusted for age (<25; 25-29; 30-34; ≥35) and body mass index (<18.5; 18.5-24.9; 25.0-29.9; ≥30.0)