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Table 2 Feasibility of the study protocol1

From: Feasibility of a controlled trial aiming to prevent excessive pregnancy-related weight gain in primary health care

Components and main indicators Maternity clinics Child health clinics  
  Intervention Control Intervention Control Total
1) Recruitment and participation      
Aim for recruitment achieved within three months (40 of participants per group, 160 in total) yes no no no no
Participation rate of eligible women (%) 73 77 78 85 77
Drop-out rate of participants (%) 29 11 9 5 15
2) Completion of data collection      
Proportion of data obtained on weight, physical activity and diet (%) 96 100 99 100 99
Proportion of blood samples obtained (%) 98 95 96 97 96
3) Realization of the intervention      
Realization rate of counselling sessions (%)2 98   98   98
Duration (min) of counselling sessions, mean (sd)      All mean durations were within allocated time2
   Primary sessions 24.0 (4.7)   25.9 (8.3)   
   Booster sessions 10.4 (3.6)   10.5 (3.3)   
Proportion of women completing ≥ 75% of the weekly records for both physical activity and diet (%)3 87   85   86
Participation percentage in group exercise sessions (mean, sd) 38.6 (28.3)   50.7 (28.5)   45.1 (28.7)
  1. 1 The drop-outs are included only when evaluating the component 1). The results concerning the component 4) are described in the text only.
  2. 2 None of the counselling cards was missing.
  3. 3 Numbers of missing follow-up note books were 3 in the maternity clinics and 1 in the child health clinics.
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