Table 4.

Behavioral and psychosocial descriptions of the sample by recruitment and screening subgroups

	Total enrolled	Active response enrolled	Passive response enrolled
N	599	57	542
Health behaviors
N (%) Inactive	393 (66)	41 (72)	352 (65)
N (%) current smokers	54 (9)	2 (4)	52 (10)
Sleep hours/night	6.7 (1.2)	6.6 (1.1)	6.7 (1.2)
Dietary intake	8.1 (2.5)	8.5 (2.5)	8.0 (2.5)
N (%) nonadherent to medication	217 (36)	27 (53)	190 (43)
Quality of well-being score	0.7 (0.1)	0.6 (0.1)	0.7 (0.1)
WHO-5 score	63.0 (18.5)	62.0 (18.6)	63.1 (18.5)
PHQ-4 score	2.1 (2.6)	2.4 (3.0)	2.1 (2.5)
Perceived stress	3.9 (2.8)	4.0 (3.1)	3.9 (2.8)
Loneliness	4.0 (1.5)	4.3 (1.6)	4.0 (1.5)
N (%) at risk for sleep apnea	371 (62)	39 (68)	332 (61)
N (%) low health literacy	55 (9)	2 (4)	53 (10)
Body satisfaction
Body function	−0.8 (1.5)	−1.0 (1.6)	−0.8 (1.5)
Body appearance	−1.9 (1.6)	−2.1 (1.3)	−1.9 (1.3)
Social provisions
Guidance	12.7 (2.5)	12.4 (2.7)	12.7 (2.5)
Worth reassurance	10.1 (2.1)	9.8 (2.4)	10.1 (2.1)
Social integration	11.6 (2.1)	11.2 (2.1)	11.7 (2.0)
Attachment	12.0 (2.6)	11.9 (2.9)	12.0 (2.6)
Nurturance	9.4 (2.4)	9.5 (2.5)	9.4 (2.4)
Reliable alliance	12.6 (2.4)	12.5 (2.6)	12.6 (2.4)
Weight-loss-related behavior self-efficacy
Physical activity self-efficacy	78.7 (17.4)	76.0 (22.0)	78.9 (16.9)
Healthful eating self-efficacy	74.9 (18.4)	74.5 (20.2)	74.9 (18.2)
Weight-loss self-efficacy	77.9 (18.3)	76.9 (17.7)	78.0 (18.3)
Work absenteeism/presenteeism
Hours worked past 28 days	154.1 (53.8)	160.3 (43.2)	153.5 (54.7)
Hours work missed past 28 days	−1.9 (47.7)	−1.9 (59.3)	−2.0 (46.4)
Stanford presenteeism score	25.8 (4.4)	26.1 (4.6)	25.8 (4.4)
Health care utilization score	7.3 (8.6)	6.3 (6.0)	7.4 (8.8)

All measures taken at baseline. Values are M (standard deviation) unless otherwise specified.