Table 3.
Characteristics Associated with Daily and Weekly Self-weighing Among Patients with Overweight or Obesity (BMI ≥ 25 kg/m2)
| Overall (n = 401) | Weighs less than weekly (n = 167) | Weighs weekly (n = 141) | Weighs daily (n = 93) | p value* | |
|---|---|---|---|---|---|
| Demographics | |||||
| Age in years, mean (SD) | 57 (16) | 54 (16) | 55 (16) | 63 (15) | < 0.01 |
| Women, n (%) | 264 (66) | 112 (67) | 93 (66) | 59 (64) | 0.86 |
| Married, n (%) | 232 (58) | 88 (53) | 83 (59) | 61 (66) | 0.13 |
| Race, n (%) | |||||
| White race | 303 (79) | 114 (72) | 106 (79) | 81 (91) | 0.01 |
| Black race | 67 (17) | 39 (25) | 23 (17) | 5 (5) | |
| Hispanic | 8 (2) | 4 (3) | 3 (2) | 1 (1) | |
| Asian | 4 (1) | 2 (1) | 2 (1) | 0 (0) | |
| Other | 3 (1) | 0 (0) | 1 (1) | 2 (2) | |
| Education, n (%) | |||||
| High-school degree or less | 38 (10) | 26 (16) | 10 (7) | 2 (2) | < 0.01 |
| Some college or 2-year degree | 102 (26) | 41 (26) | 36 (26) | 25 (28) | |
| College degree or more | 245 (64) | 92 (58) | 91 (66) | 62(70) | |
| Employment, n (%) | |||||
| Disabled | 30 (8) | 22 (14) | 5 (4) | 3 (3) | <0.01 |
| Unemployed | 16 (4) | 9 (6) | 5 (4) | 2 (2) | |
| Student or homemaker | 13 (3) | 6 (4) | 4 (3) | 3 (3) | |
| Employed (full or part time) | 228(59) | 89 (56) | 90 (66) | 49 (55) | |
| Retired | 99 (26) | 34 (21) | 33 (24) | 32 (36) | |
| Health status | |||||
| BMI in kg/m2, mean (SD) | 34 (8) | 35 (9) | 34 (8) | 32 (6) | 0.02 |
| BMI 25.0–29.9 | 145 (41) | 59 (39) | 46 (36) | 40 (50) | 0.09 |
| BMI 30.0–34.9 | 95 (27) | 32 (21) | 40 (31) | 23 (29) | |
| BMI 35–39.9 | 48 (13) | 25 (17) | 15 (12) | 8 (10) | |
| BMI ≥ 40 | 70 (20) | 34 (23) | 27 (21) | 9 (11) | |
| Diabetes, n (%) | 74 (19) | 29 (18) | 31 (23) | 14 (16) | 0.72 |
| Prediabetes, n (%) | 47 (12) | 21 (13) | 16 (12) | 10 (11) | 0.72 |
| Weight aspirations, n (%) | |||||
| Desiring weight gain | 2 (0.5) | 1 (1) | 0 (0) | 1 (1) | < 0.01 |
| Desiring weight maintenance | 51 (13) | 17 (10) | 16 (11) | 18 (19) | |
| Desiring weight loss | 313 (78) | 123 (74) | 118 (84) | 72 (77) | |
| Not trying to alter weight | 35 (9) | 26 (16) | 7 (5) | 2 (2) | |
| Other self-monitoring behavior, n (%) | |||||
| Tracks exercise | 206 (52) | 64 (39) | 89 (63) | 53 (58) | < 0.01 |
| Tracks food intake | 247 (62) | 77 (46) | 99 (70) | 71 (76) | < 0.01 |
*p value from bivariate analysis using chi-square or ANOVA as appropriate
BMI, body mass index