Table 1.
IMAGINE population characteristics for all participants and stratified by intervention status.
| All (n = 23) |
Intervention (n = 15) |
Control (n = 8) |
P-value | |
|---|---|---|---|---|
| Sex | .59 | |||
| Male | 4 (17%) | 2 (13%) | 2 (25%) | |
| Female | 19 (83%) | 13 (87%) | 6 (75%) | |
| Race | <.01 | |||
| White | 8 (35%) | 2 (13%) | 6 (75%) | |
| Black | 11 (48%) | 11 (73%) | 0 (0%) | |
| Asian | 4 (17%) | 2 (13%) | 2 (25%) | |
| Education | .84 | |||
| At least some college | 5 (22%) | 3 (20%) | 2 (25%) | |
| College graduate | 4 (17%) | 2 (13%) | 2 (25%) | |
| Graduate degree or equivalent | 14 (61%) | 10 (67%) | 4 (50%) | |
| Marital Status | .99 | |||
| Married or living with partner | 10 (43%) | 7 (47%) | 3 (38%) | |
| Separated/widowed/divorced | 5 (22%) | 3 (20%) | 2 (25%) | |
| Never married | 8 (35%) | 5 (33%) | 3 (38%) | |
| Employment | .06 | |||
| Full time | 11 (48%) | 5 (33%) | 6 (75%) | |
| Part time | 5 (22%) | 3 (20%) | 2 (25%) | |
| Not employed | 7 (30%) | 7 (47%) | 0 (0%) | |
| Smoking status | .37 | |||
| Never | 17 (74%) | 10 (67%) | 7 (88%) | |
| Current or former | 6 (26%) | 5 (33%) | 1 (13%) | |
| Income | .19 | |||
| <$40 000 | 10 (45%) | 8 (53%) | 2 (29%) | |
| $40 000-$59 000 | 6 (27%) | 5 (33%) | 1 (14%) | |
| $60 000+ | 6 (27%) | 2 (13%) | 4 (57%) | |
| At least 12 alcoholic drinks per year | .06 | |||
| Yes | 17 (74%) | 9 (60%) | 8 (100%) | |
| No | 6 (26%) | 6 (40%) | 0 (100%) | |
| Current NSAID use | .53 | |||
| Yes | 2 (9%) | 2 (13%) | 0 (0%) | |
| No | 21 (91%) | 13 (87%) | 8 (100%) | |
| Current Aspirin use | .12 | |||
| Yes | 5 (22%) | 5 (33%) | 0 (0%) | |
| No | 18 (78%) | 10 (67%) | 8 (100%) | |
| Age (years) | 48.2 ± 16.7 | 55.9 ± 15.1 | 33.8 ± 15.1 | <.01 |
| BMI (kg/m2) | 33.5 ± 6.9 | 34.5 ± 6.8 | 31.1 ± 7.1 | .29 |
| Systolic blood pressure (mm Hg) | 126.2 ± 9.8 | 128.9 ± 10.3 | 120.3 ± 5.6 | .05 |
| Diastolic blood pressure (mm Hg) | 78.9 ± 4.0 | 78.9 ± 3.7 | 77.0 ± 4.3 | .13 |
| Social approval | 56.3 ± 5.5 | 56.5 ± 5.6 | 56.0 ± 5.7 | .85 |
| Social desirability | 24.5 ± 2.9 | 23.5 ± 2.8 | 26.5 ± 2.2 | .01 |
Stratum totals may not equal column totals due to missing data. For categorical covariates, chi-square test was used to derive P-values except for when cell frequencies were less than 5; in this case, Fisher’s exact test was used. For continuous covariates, t-tests were used to derive P-values except for PA hours per day as this was nonnormal; Wilcoxon Rank Sums test was used for this variable.
Abbreviations: PA, physical activity; NSAID, nonsteroidal anti-inflammatory drugs; BMI, body mass index. The Martin-Larsen Approval Motivation score ranges from 0 to 100, and higher scores indicate greater social approval. The Marlowe-Crowne Social Desirability Scale ranges from 0 to 33 with higher scores indicating more social desirability.