Table 2.
Baseline participant characteristics overall and by weight loss trial.
| Variable | All (n=604) |
HELP (n=128) |
SHARE (n=309) |
Think Health! (n=167) |
Chi- square or F test statistic (p-value) |
|---|---|---|---|---|---|
| N (%) unless otherwise indicated | |||||
| Low intensity intervention | 183 (30) | 42 (33) | 56 (18) | 85 (51) | 55.6 (<0.001) |
| Age, mean (sd) | 46.8 (10.0) | 45.4 (10.2) | 46.7 (9.1) | 47.9 (11.2) | 2.3 (0.104) |
| Female | 540 (89) | 116 (91) | 278 (90) | 146 (87) | 1.0 (0.608) |
| Baseline weight, mean kg (sd) | 102.4 (18.8) | 101.6 (17.0) | 103.6 (19.3) | 100.8 (19.0) | 1.3 (0.269) |
| BMI, mean (sd) | 37.3 (6.0) | 36.5 (5.2) | 37.9 (6.2) | 37.0 (6.1) | 2.7 (0.068) |
| BMI category | 3.4 (0.488) | ||||
| <35 | 250 (41) | 60 (47) | 119 (39) | 71 (43) | |
| 35–40 | 169 (28) | 35 (27) | 87 (28) | 47 (28) | |
| >=40 | 18 (31) | 33 (26) | 103 (33) | 49 (29) | |
| Employed | 494 (82) | 121 (95) | 258 (84) | 115 (69) | 33.3 (<0.001) |
| Number in household, mean (sd) | 3.2 (1.6) | 3.9 (1.6) | 3.0 (1.4) | 3.0 (1.8) | 19.0 (<0.001) |
| Married | 278 (46) | 64 (50) | 152 (49) | 62 (37) | 7.5 (0.023) |
| Current smoker | 85 (14) | 18 (14) | 30 (10) | 37 (22) | 13.8 (0.001) |
| Current drinker | 165 (27) | 29 (23) | 85 (28) | 51 (31) | 2.3 (0.320) |
| Physical activity | 45.1 (<0.001) | ||||
| High | 162 (27) | 37 (29) | 87 (29) | 38 (23) | |
| Moderate | 252 (42) | 27 (21) | 155 (51) | 70 (42) | |
| Low | 184 (31) | 62 (49) | 63 (21) | 59 (35) | |
| Excellent self rated health | 137 (23) | 28 (22) | 85 (28) | 24 (14) | 11.2 (0.004) |
| Positive medical history | 400 (66) | 88 (69) | 210 (68) | 102 (61) | 2.8 (0.252) |
| Heart disease | 52 (9) | 21 (17) | 20 (6) | 11 (7) | 12.8 (0.002) |
| Lung disease | 107 (18) | 17 (13) | 47 (15) | 43 (26) | 10.3 (0.006) |
| Mobility limitations | 202 (33) | 46 (36) | 135 (44) | 21 (13) | 47.6 (<0.001) |
| High blood pressure | 260 (43) | 51 (40) | 135 (44) | 74 (44) | 0.5 (0.781) |
| Diabetes | 79 (13) | 16 (13) | 38 (12) | 25 (15) | 0.7 (0.703) |
| Cohen Stress Score, mean (sd) | 5.2 (3.1) | 5.4 (2.9) | 5.3 (3.0) | 4.9 (3.2) | 1.5 (0.228) |
| Any prior weight loss programs | 333 (56) | 81 (63) | 179 (59) | 73 (44) | 13.8 (0.001) |
| Number prior weight loss programs | 41.4 (<0.001) | ||||
| 0 | 268 (45) | 45 (36) | 129 (42) | 94 (56) | |
| 1–2 | 271 (45) | 51 (40) | 153 (50) | 67 (40) | |
| 3+ | 62 (10) | 30 (24) | 26 (8) | 6 (4) | |
| SisterTalk Food Habits Score, mean (sd)a | 2.6 (0.6) | 2.9 (0.3) | 2.0 (0.3) | 3.0 (0.4) | 299.2 (<0.001) |
| Desired weight at end of study, mean lbs (sd) | 150.8 (39.9) | 157.3 (28.6) | 140.3 (45.7) | 165.3 (28.8) | 25.2 (<0.001) |
| BMI based on desired weight, mean (sd) | 24.9 (6.1) | 25.6 (3.7) | 23.3 (7.4) | 27.4 (3.7) | 28.0 (<0.001) |
a
n=431, not measured on 10 HELP and 163 SHARE participants.