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Table 2 Dose received, dose delivered, and percentage of received quizzes opened versus lifestyle characteristics of participants

From: Exploring the reach and program use of hello world, an email-based health promotion program for pregnant women in the Netherlands

  Number of participants (n {%}) Dose receivedb (Mean ± SD) Dose deliveredc (Mean ± SD) Received quizzes opened (%) (Mean ± SD) ≥3 quizzes opened (%)
All 4363     
Completersa 1369{31} 6.3 ± 2.7* 2.5 ± 2.3* 40 ± 33* 40
Non-completers 2994{69} 6.0 ± 2.8* 1.7 ± 2.0* 29 ± 30* 26
Lifestyle characteristics      
Physical Activity 1355     
  Active 405{30} 6.1 ± 2.8 2.5 ± 2.4 40 ± 34 41
  Inactive 950{70} 6.3 ± 2.7 2.6 ± 2.4 41 ± 33 61
Nutrition (Fruit and Vegetables) 1127     
  Sufficient 150{13} 6.5 ± 2.6 3.0 ± 2.5* 49 ± 34* 47
  Insufficient 977{87} 6.2 ± 2.7 2.5 ± 2.4* 40 ± 36* 40
Nutrition (Breakfast) 1363     
  Regular 1196{88} 6.3 ± 2.7 2.5 ± 2.4 41 ± 34 40
  Irregular 167{12} 6.2 ± 2.9 2.3 ± 2.3 36 ± 32 38
Smoking 1359     
  Active smoking 158{12} 6.0 ± 3.0 2.0 ± 2.2* 31 ± 30* 31
  Passive smoking 174{13} 6.0 ± 2.9 2.2 ± 2.3* 37 ± 33* 36
  Non-smoking 1027{75} 6.4 ± 2.6 2.7 ± 2.4* 42 ± 34* 42
Body Mass Index 1190     
  Underweight 47{4} 5.8 ± 2.8 1.7 ± 1.9* 31 ± 33 26
  Normal weight 749{63} 6.6 ± 2.6 2.7 ± 2.4* 41 ± 33 43
  Overweight 258{22} 6.3 ± 2.7 2.5 ± 2.3* 39 ± 34 39
  Obese 136{11} 5.8 ± 2.9 2.6 ± 2.6* 46 ± 37 38
Number of healthy lifestyle characteristics 973     
  0 13{1} 5.7 ± 3.0 3.2 ± 2.4* 43 ± 36* 54
  1 94{10} 6.0 ± 2.9 1.9 ± 2.3* 30 ± 32* 33
  2 280{29} 6.2 ± 2.7 2.5 ± 2.4* 40 ± 34* 39
  3 368{38} 6.5 ± 2.6 2.6 ± 2.3* 40 ± 33* 42
  4 188{19} 6.2 ± 2.6 2.9 ± 2.5* 47 ± 36* 46
  5 30{3} 6.3 ± 3.0 3.4 ± 2.7* 56 ± 35* 53
  1. Abbreviations; n: number, SD: Standard Deviation.
  2. a Online questionnaire completers.
  3. b Number of quiz emails received.
  4. c Number of quizzes opened.
  5. * Significant at p < 0.05.