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Table 2 Possible baseline predictors for weight loss after 1 year (n = 160)

From: Predictors of weight loss in young adults who are over-weight or obese and have psychosocial problems: a post hoc analysis

Variable Category Number (160) Mean weight change (kg) 95 % ci of the change in mean ANOVA OR for weight loss or not and 95 % ci
F-value P-value
Gender Male 48 −1.50 −3.2 to 0.2   
Female 112 −2.21 −3.5 to −1.0 0.41 0.52 2.01
1.01 to 4.0
Age 21 to 34 years old 64 1.72 3.4 to −0.03   
35 to 45 years old 96 −2.19 −3.5 to −0.9 0.20 0.65 1.43
0.8 to 2.7
Education School 7 to 11 years 104 −2.51 −3.8 to −1.2   
School 12 years or more 56 −1.05 −2.6 to 0.5 1.87 0.17 0.57
0.3 to 1.1
Social group High (1 to 4) 97 −1.75 −2.8 to −0.7   
Low (5) 63 −2.38 −4.4 to −0.4 0.36 0.55 0.82
0.4 to 1.6
Occupation No occupation 38 −1.97 −4.1 to 0.1   
Have occupation 122 −2.01 −3.2 to −0.8 0.01 0.98 0.92
0.4 to 1.9
Single/not single Single 39 −0.54 −2.6 to 1.6   
Not single 121 −2.47 −3.6 to −1.3 2.68 0.10 1.50
0.7 to 3.1
Self-rated Economy Good, very good 48 −2.81 −5.0 to −0.6   
Fair, bad, very bad 111 −1.45 −2.5 to −0.4 1.62 0.21 1.22
0.6 to 2.4
Self-rated health Good, very good 62 −1.26 −2.6 to 0.1   
Fair, bad, very bad 98 −2.47 −3.9 to −1.1 1.35 0.25 1.96
1.03 to 3.7
Problem group 7-9 problems (medium) 85 −1.45 −2.7 to −0.2   
10 or more problem 75 −2.63 −4.2 to −1.0 1.34 0.25 1.98
1.05 to 3.7
Mental QoL (SF12) Lower half 74 −2.30 −3.8 to −0.8   
Upper half 86 −1.74 −3.1 to −0.4 0.29 0.59 0.65
0.3 to 1.2
Physical QoL (SF12) Lower half 82 −2.26 −3.8 to −0.7   
Upper half 78 −1.73 −3.1 to −0.4 0.27 0.61 0.82
0.4 to 1.5
Overweight group BMI 25 to 27.49 60 −0.47 −1.9 to 1.0   
BMI 27.5 to 29.99 31 −2.03 −3.8 to −0.3   
BMI 30+ 69 −3.32 −5.1 to −1.5 3.24 0.042 1.85a
0.98 to 3.5
Considered weight loss at baseline (n = 159) No 20 −1.75 −3.9 to 0.4   
Yes, within 1 year 61 −2.05 −3.6 to −0.5
Yes, within 6 months 41 −0.12 −2.4 to 2.1
Yes, within 30 days 37 −4.27 −6.5 to −2.1 2.79 0.042 3.43b
1.5 to 7.9
Randomization group and weight loss goal Control, no goal setting 76 −1.57 −3.0 to −0.12   
Preventive consultation without weight loss as a goal 62 −1.56 −3.2 to 0.05
Preventive consultation with weight loss as prioritized goal for the next year 22 −4.73 −7.7 to −1.8 2.3 0.10 4.63c
1.5 to 14.4
  1. Mean size of weight loss and OR for weight loss or no weight loss in participant with BMI over 25
  2. ANOVA analysis of variance; OR Odds Ratio; Kg Kilogram; CI Confidence interval
  3. aThe two weight groups below BMI 30 were collapsed to one group to calculate OR
  4. bThe three groups with no or longer time horizon for weight loss than 30 days collapsed to one group
  5. cA new variable combining randomization and goal setting