From: Long-term dietary intervention trials: critical issues and challenges
Demographic variable | Early drop-outsa(n = 10) | Drop-outs during study (n = 25) | Completers (n = 36) | P valueb |
---|---|---|---|---|
Initial diet allocation | Â | Â | Â | Â |
 High dairy | 5 (7.0) | 8 (11.3) | 23 (32.4) | 0.013c |
 Low dairy | 5 (7.0) | 17 (23.9) | 13 (18.3) | 0.013c |
Gender | Â | Â | Â | Â |
 Male | 2 (10.0) | 8 (40.0) | 10 (50.0) | NS |
 Female | 8 (15.7) | 17 (33.3) | 26 (51.0) | NS |
Presence of medical conditions | 3 (30) | 7 (28) | 13 (36) | NS |
Taking medications | 6 (60) | 9 (36) | 13 (36) | NS |
Alcohol consumption (>2×/week) | 1 (10) | 5 (20) | 8 (22) | NS |
Physical activity (≥3×/week) | 8 (80) | 20 (80) | 32 (89) | NS |
Age (years) | 44 (12) | 45 (16) | 49 (14) | NS |
Weight (kg) | 95 (15) | 93 (19) | 89 (17) | NS |
Waist circumference (cm) | NA | 101 (14) | 98 (14) | NS |
Body mass index (kg/m2) | 36 (6) | 33 (5) | 32 (6) | NS |
Total body fat (%) | NA | 45 (7) | 43 (9) | NS |
Abdominal fat (%) | NA | 47 (6) | 43 (7) | 0.043 |
Systolic BP (mmHg) | 125 (11) | 132 (1) | 127 (14) | NS |
Diastolic BP (mmHg) | 75 (8) | 78 (11) | 74 (11) | NS |
Total psychological well-being (DASS)d | NA | 18 (17) | 14 (19) | NS |
Depression | NA | 5.3 (7.9) | 3.9 (6.2) | NS |
Anxiety | NA | 3.8 (4.0) | 3.2 (5.9) | NS |
Stress | NA | 9.3 (8.3) | 7.1 (7.8) | NS |
Energy intake (MJ/day) | NA | 8.8 (2.3) | 8.9 (3.2) | NS |
Protein (g/day) | NA | 95 (26) | 96 (32) | NS |
Fat (g/day) | NA | 82 (30) | 80 (39) | NS |
Carbohydrate (g/day) | NA | 219 (66) | 231 (90) | NS |
Alcohol (g/day) | NA | 8.5 (11.1) | 7.6 (12.4) | NS |
Calcium (mg/day) | NA | 920 (352) | 1096 (764) | NS |