Table 1.
Participant Characteristics by Intervention Condition in 2 × 2 Factorial Randomized Design
| Characteristic | Total (N=512) |
Adaptive goals + immediate reinforcement (n=128) |
Static goals + immediate reinforcement (n=128) |
Adaptive goals + delayed reinforcement (n=128) |
Static goals + delayed reinforcement (n=128) |
|---|---|---|---|---|---|
| Female, n (%) | 330 (64.5) | 82 (64.1) | 80 (62.5) | 81 (63.3) | 87 (68.0) |
| Age, mean (SD) | 45.5 (9.1) | 45.6 (9.5) | 46.0 (8.9) | 46.7 (8.6) | 43.5 (9.3) |
| Racea | |||||
| Caucasian or White, n (%) | 425 (83.0) | 108 (84.3) | 106 (82.8) | 105 (82.0) | 106 (82.8) |
| African American or Black, n (%) | 31 (6.1) | 5 (3.9) | 9 (7.0) | 9 (7.0) | 8 (6.3) |
| American Indian or Alaskan Native, n (%) | 14 (2.7) | 4 (3.1) | 3 (2.3) | 2 (1.6) | 5 (3.9) |
| Asian, n (%) | 12 (2.3) | 4 (3.1) | 3 (2.3) | 3 (2.3) | 2 (1.6) |
| Native Hawaiian or other Pacific Islander, n (%) | 7 (1.4) | 3 (2.3) | 1 (0.8) | 2 (1.6) | 1 (0.8) |
| Prefer not to answer, n (%) | 32 (6.3) | 5 (3.9) | 8 (6.3) | 10 (7.8) | 9 (7.0) |
| Ethnicitya | |||||
| Hispanic or Latino, n (%) | 96 (18.8) | 22 (17.2) | 26 (20.3) | 24 (18.8) | 24 (18.8) |
| Married or living with partner, n (%) | 346 (67.6) | 82 (64.0) | 85 (66.4) | 93 (72.7) | 86 (67.2) |
| BMI, mean (SD) | 33.9 (7.3) | 33.7 (7.3) | 33.8 (7.3) | 33.6 (7.0) | 34.5 (7.5) |
| Current tobacco or e-smoker, n (%) | 36 (7.0) | 5 (3.9) | 13 (10.2) | 6 (4.6) | 12 (9.4) |
| Number of children in household, mean (SD) | 0.97 (1.2) | 0.97 (1.3) | 0.98 (1.3) | 1.05 (1.3) | 0.88 (1.1) |
| Household income, median | $60,000–$79,999 | $60,000–$79,999 | $60,000–$79,999 | $60,000–$79,999 | $60,000–$79,999 |
| Education, median | College graduate | College graduate | College graduate | College graduate | College graduate |
| Neighborhood type | |||||
| High walkable/High income, n (%) | 136 (26.6) | 34 (25.0) | 34 (25.0) | 34 (25.0) | 34 (25.0) |
| High walkable/Low income, n (%) | 132 (25.8) | 33 (25.0) | 33 (25.0) | 33 (25.0) | 33 (25.0) |
| Low walkable/High income, n (%) | 136 (26.6) | 34 (25.0) | 34 (25.0) | 34 (25.0) | 34 (25.0) |
| Low walkable/Low income, n (%) | 108 (21.1) | 27 (25.0) | 27 (25.0) | 27 (25.0) | 27 (25.0) |
| Mean accelerometer wear time (hours/day) | |||||
| Baseline phase, mean (SD) | 15.9 (4.2) | 16.1 (4.2) | 16.0 (4.3) | 15.6 (4.0) | 15.9 (4.3) |
| Intervention phase, mean (SD) | 15.2 (4.9) | 15.1 (5.0) | 15.3 (5.2) | 15.3 (4.7) | 15.1 (4.9) |
a
Race/Ethnicity cumulative is >100%. Participants were allowed to select all that apply.