Table 1.
Baseline characteristics by 1‐month weight loss
| Total (N = 84) | Early responders ≥ 2% at 1 month (n = 30) | Early non‐responders < 2% at 1 month (n = 54) | P value | |
|---|---|---|---|---|
| Age, mean (SD), years | 43.7 (11.6) | 43.0 (12.3) | 44.1 (11.4) | 0.66 |
| Gender, no. (%) | 0.78 | |||
| Male | 16 (19.1) | 5 (16.7) | 11 (20.4) | |
| Female | 68 (81.0) | 25 (83.3) | 43 (79.6) | |
| Marital status, no. (%) | 0.42 | |||
| Married or living with partner | 57 (67.9) | 22 (73.3) | 35 (64.8) | |
| Not married or living with partner | 27 (32.1) | 8 (26.7) | 19 (35.2) | |
| Race/ethnicity, no. (%) | 0.46 | |||
| Non‐Hispanic White | 60 (71.4) | 22 (73.3) | 38 (70.4) | |
| Non‐Hispanic Black | 16 (19.1) | 4 (13.3) | 12 (22.2) | |
| Hispanic (all races) | 1 (1.2) | 0 (0.0) | 1 (1.9) | |
| Non‐Hispanic other | 7 (8.3) | 4 (13.3) | 3 (5.6) | |
| Education, no. (%) | 0.40 | |||
| Less than college graduate | 13 (15.5) | 6 (20.0) | 7 (13.0) | |
| College graduate or above | 71 (84.5) | 24 (80.0) | 47 (87.0) | |
| Employment status, no. (%) | 0.07 | |||
| Employed, full time | 55 (65.5) | 15 (50.0) | 40 (74.1) | |
| Employed, part time | 11 (13.1) | 6 (20.0) | 5 (9.3) | |
| Not employed | 18 (21.4) | 9 (30.0) | 9 (16.7) | |
| Annual household income, no. (%) | 0.32 | |||
| $0–$49,999 | 19 (23.5) | 7 (24.1) | 12 (23.1) | |
| $50,000–$99,999 | 30 (37.0) | 7 (24.1) | 23 (44.2) | |
| $100,000 or greater | 32 (39.5) | 15 (51.7) | 17 (32.7) | |
| Weight, mean (SD), kg | 89.8 (16.8) | 88.4 (14.5) | 90.5 (18.0) | 0.58 |
| BMI, mean (SD), kg/m2 | 31.7 (4.5) | 31.7 (4.3) | 31.8 (4.7) | 0.94 |
| BMI category, no. (%) | 0.50 | |||
| Overweight, 25–29.9 kg/m2 | 35 (41.7) | 13 (43.3) | 22 (40.7) | |
| Class I obesity, 30–34.9 kg/m2 | 32 (38.1) | 11 (36.7) | 21 (38.9) | |
| Class II obesity, 35–39.9 kg/m2 | 13 (15.5) | 6 (20.0) | 7 (13.0) | |
| Class III obesity, 40+ kg/m2 | 4 (4.8) | 0 (0.0) | 4 (7.4) | |
| Prediabetes, no. (%) | 7 (8.3) | 4 (13.3) | 3 (5.6) | 0.24 |
| Limited health literacy, no. (%)† | 4 (4.8) | 1 (3.3) | 3 (5.6) | 1.00 |
| MyFitnessPal app already on phone prior to study, no. (%) | 17 (20.2) | 4 (13.3) | 13 (24.1) | 0.27 |
†
Limited health literacy, measured at baseline using the 6‐item Newest Vital Sign, was defined as scores of 0–3, while adequate health literacy was defined as scores of 4–6.19
BMI, body mass index; SD, standard deviation.