Table 2.
Adjusted odds ratios for meeting the 5%+ weight loss goal among analyzed participants, and by participation duration
| Predictors | Total analyzed participants (n = 29,069) | Participants with < 9 months (n = 19,788) | Participants with 9+ months (n = 9281) |
|---|---|---|---|
| AOR (95% CI) | AOR (95% CI) | AOR (95% CI) | |
| Organizations’ characteristic | |||
| Delivery modality | |||
| Online only | 0.9 (0.8–1.2) | 1.1 (0.7–1.6) | 0.9 (0.7–1.2) |
| Distance learning only | – | – | – |
| Combination | 1.6 (0.7–4.0) | – | 2.6 (0.9–7.5) |
| In-person only (ref) | 1.00 | 1.00 | 1.00 |
| Participants’ attendance and physical activity (PA) goal | |||
| Number of session attendance | |||
| 17+ sessions | 3.2 (3.0–3.4)*** | 3.4 (3.1–3.6)*** | 2.6 (2.3–3.0)*** |
| < 17 sessions (ref) | 1.00 | 1.00 | 1.00 |
| Duration of participation | |||
| 9+ months | 1.3 (1.2–1.4)*** | – | – |
| < 9 months (ref) | 1.00 | – | – |
| Meeting PA goal (average + 150 min/week) | |||
| Met | 1.7 (1.6–1.8)*** | 1.7 (1.6–1.9)*** | 1.7 (1.5–1.8)*** |
| Not met (ref) | 1.00 | 1.00 | 1.00 |
| Participants’ characteristics | |||
| Age (years) | |||
| 18–44 (ref) | 1.00 | 1.00 | 1.00 |
| 45–64 | 3.2 (3.0–3.4)** | 1.2 (1.0–1.3) | 1.0 (0.9–1.1) |
| 65+ | 1.6 (1.5–1.8)*** | 1.7 (1.5–2.0)*** | 1.4 (1.2–1.6)*** |
| Sex | |||
| Male (ref) | 1.00 | 1.00 | 1.00 |
| Female | 0.8 (0.7–0.8)*** | 0.7 (0.6–0.7)*** | 0.9 (0.8–1.0) |
| Race/ethnicity | |||
| Hispanic | 0.9 (0.8–1.0) | 0.9 (0.8–1.0) | 0.8 (0.7–0.9)* |
| Non-Hispanic Black | 0.8 (0.7–0.9)* | 0.9 (0.7–1.0) | 0.8 (0.7–0.9)* |
| Non-Hispanic othera | 0.9 (0.8–1.0) | 0.9 (0.8–1.0) | 0.9 (0.8–1.1) |
| Non-Hispanic White (ref) | 1.00 | 1.00 | 1.00 |
| Education level | |||
| High school or less (ref) | 1.00 | 1.00 | 1.00 |
| Some college or technical school | 0.9 (0.8–1.0) | 0.9 (0.8–1.0) | 1.0 (0.8–1.1) |
| College 4 years or more | 0.9 (0.8–1.0) | 0.8 (0.7–0.9)*** | 1.0 (0.9–1.1) |
| Payer type | |||
| Grant funding (ref) | 1.00 | 1.00 | 1.00 |
| Public insurer (Medicare or Medicaid) | 1.1 (0.7–1.7) | 1.4 (0.5–3.9) | 0.9 (0.5–1.5) |
| Employer or private insurer | 1.2 (1.0–1.5) | 1.5 (1.0–2.0) | 1.0 (0.7–1.3) |
| Self-pay or other | 1.4 (1.0–1.8) | 2.3 (1.5–3.7)* | 1.0 (0.7–1.4) |
| Enrollment source | |||
| Health care providersb (ref) | 1.00 | 1.00 | 1.00 |
| Community-based organizations or community health workers | 0.7 (0.4–1.1) | 0.1 (0.1–1.1) | 0.8 (0.5–1.3) |
| Self or family/friends | 0.9 (0.7–1.2) | 1.0 (0.7–1.6) | 0.8 (0.6–1.1) |
| Employers or insurers | 0.8 (0.6–1.0) | 0.9 (0.6–1.3) | 0.8 (0.6–1.0) |
| Media or other | 0.9 (0.7–1.1) | 0.9 (0.6–1.4) | 0.8 (0.6–1.1) |
| Body mass index (BMI) at enrollment | |||
| Overweightc | 1.1 (1.1–1.2)** | 1.1 (0.9–1.1) | 1.2 (1.1–1.3)*** |
| Obesityd (ref) | 1.00 | 1.00 | 1.00 |
Italicized values indicate statistical significance (*p < 0.05, **p < 0.01, ***p < 0.001). Data are presented as AOR (95% CI) based on multiple logistic regression. Analyzed participants include eligible participants who completed the yearlong lifestyle change program and attended ≥ 3 sessions in the first 6 months
aNon-Hispanic other race/ethnicity includes non-Hispanic Asian, non-Hispanic Native Hawaiian or other Pacific Islander, non-Hispanic American Indian or Alaska Native, multiracial, or not reported
bIncludes primary care provider/office or specialist (e.g., MD, DO, PA, NP, or other staff at the provider’s office), or non-primary care health professional (e.g., pharmacist, dietitian)
cBMI, 23–29 for Asian or 25–29 for other race/ethnicity
dBMI, ≥ 30