Table 3.
Baseline demographics of study participants
| Joined, low engagers | Joined, high engagers | Did not join | Totala | P value for difference between groups | |
|---|---|---|---|---|---|
| n | 15 | 15 | 33 | 63 | |
| Age (mean years ± SD) | 46.53 ± 10.4 | 51.13 ± 4.0 | 48.15 ± 8.6 | 48.5 ± 8.3 | P = 0.30 |
| Gender | P = 0.71 | ||||
| Female | 12 | 10 | 24 | 46 (73 %) | |
| Male | 3 | 5 | 9 | 17 (27 %) | |
| Ethnicity | P = 0.79 | ||||
| Black | 3 | 4 | 5 | 12 (19 %) | |
| White | 12 | 11 | 27 | 50 (79 %) | |
| Other | 0 | 0 | 1 | 1 (2 %) | |
| Education | P = 0.14 | ||||
| Less than college | 0 | 0 | 4 | 4 (6 %) | |
| College or higher | 15 | 15 | 29 | 59 (94 %) | |
| Marital status | P = 0.31 | ||||
| Married | 8 | 4 | 12 | 24 (38 %) | |
| Other | 7 | 11 | 21 | 39 (62 %) | |
| Mean BMI (kg/m2 ± SD) | 35.8 ± 5.2 | 34.8 ± 5.4 | 35.1 ± 5.5 | 35.2 ± 5.3 | P = 0.86 |
| Total number of meetings attended during 4-month maintenance period (out of four meetings total) | 1.7 ± 1.4 | 3.7 ± 0.8b | 1.8 ± 1.4 | 2.3 ± 1.5 | P < 0.001 |
aData are n (%) unless otherwise indicated
bSignificantly different from joined high engagers, joined low engagers, and did not join