Table 1. Baseline LCA variables in study population and by class.
| Class 1 | Class 2 | Class 3 | P-value | Overall | |
|---|---|---|---|---|---|
| n = 328 | n = 121 | n = 153 | n = 602 | ||
| Age | 40.3 (10.6) | 37.8 (7.8) | 36.1 (10.6) | < .001 | 38.72 (10.2) |
| Male, N (%) | 230 (70.1) | 99 (81.8) | 98 (64.1) | 0.005 | 427 (70.9) |
| Previously used a wearable, N (%) | 226 (68.9) | 62 (51.2) | 96 (62.8) | 0.002 | 384 (63.8) |
| Baseline mean daily steps | 6308 (2537) | 5434 (2013) | 6591 (3163) | 0.002 | 6204 (2646) |
| Coefficient of variance baseline steps | 2.0 (0.8) | 1.9 (0.8) | 2.0 (0.8) | 0.29 | 2.0 (0.8) |
| Extroversion (0–5, 5 = Most extroverted) | 3.6 (0.8) | 2.9 (0.7) | 3.1 (0.8) | < .001 | 3.4 (0.8) |
| Agreeableness (0–5, 5 = Most agreeable) | 4.2 (0.6) | 3.8 (0.4) | 3.2 (0.6) | < .001 | 4.0 (0.6) |
| Conscientiousness (0–5, 5 = Most conscientious) | 4.2 (0.5) | 3.8 (0.4) | 3.0 (0.6) | < .001 | 3.9 (0.6) |
| Neuroticism (0–5, 5 = Most neurotic) | 2.2 (0.6) | 2.7 (0.6) | 3.4 (0.7) | < .001 | 2.5 (0.8) |
| Openness (0–5, 5 = Most open) | 3.8 (0.6) | 3.3 (0.4) | 3.7 (0.6) | < .001 | 3.7 (0.6) |
| ESE sticking to it (0–5, 5 = More likely to stick to exercise routine) | 4.1 (0.7) | 3.5 (0.6) | 3.4 (0.7) | < .001 | 3.8 (0.7) |
| PSQI overall (0–15, ≥5 = Poor sleep quality) | 4.4 (2.9) | 4.7 (2.7) | 6.4 (3.1) | < .001 | 5.0 (3.0) |
| MOS SS overall (0 to 5, 5 = More support) | 4.3 (0.8) | 3.9 (0.8) | 3.9 (0.9) | < .001 | 4.1 (0.9) |
| DOSPERT health/safety (1 to 7, 7 = More likely to engage in risky behavior) | 2.5 (1.0) | 2.2 (0.8) | 3.3 (1.1) | < .001 | 2.6 (1.1) |
| DOSPERT social (1 to 7, 7 = More likely to engage in risky behavior) | 5.1 (1.0) | 4.0 (0.8) | 4.9 (0.9) | < .001 | 4.8 (1.0) |
| Grit (0–5, 5 = Extremely gritty) | 4.0 (0.4) | 3.6 (0.3) | 3.0 (0.5) | < .001 | 3.7 (0.6) |
Data are presented as mean (SD) of participants unless otherwise indicated.
Abbreviations: ESE, Exercise Self-Efficacy survey; PSQI, Pittsburgh Sleep Quality Index; MOS SS, Medical Outcomes Survey Social Support; DOSPERT, Domain-Specific Risk-Taking scale.