Table 3: Associations of MHO phenotypes* with physical activity and screen time, among adolescents and adults.

Adolescents (12–18 yrs) Adults (19–44 yrs) Adults (45–85 yrs)
OR (95% CI)OR (95% CI)OR (95% CI)

Physical activity
 Moderate PA+ (min/day)0.99 (0.74–1.32)1.08 (0.90–1.30)1.36 (1.041.78)
 Vigorous PA+ (min/day)1.0 (0.77–1.30)1.21 (0.96–1.52)0.97 (0.75–1.26)
 MVPA+ (min/day)0.96 (0.64–1.44)1.21 (0.91–1.60)1.29 (0.95–1.77)
 PA+ (MET * min/day)0.95 (0.66–1.37)1.22 (0.94–1.59)1.25 (0.93–1.69)
 Meeting PA recommendation 0.85 (0.30–2.39)1.37 (0.72–2.64)1.10 (0.54–2.25)
 Muscle strength (#/wk)1.19 (0.55–2.56)0.82 (0.51–1.32)1.36 (0.64–2.92)
 Active transport (%)1.21 (0.57–2.54)1.85 (1.113.10)0.74 (0.38–1.45)
 Active transport+ (mins/wk)1.04 (0.91–1.19)1.17 (1.021.35)0.92 (0.78–1.09)
 Usual daily activity
  SitN/A1 (Reference)1 (Reference)
  Walk1.05 (0.43–2.55)0.92 (0.41–2.06)
  Light activity2.70 (1.176.19)0.82 (0.22–2.96)
  Heavy activity 0.53 (0.18–1.51)0.89 (0.15–5.41)

Sedentary behavior
 TV/video (# hours/day)
  ≤1 hr/day1.45 (0.43–4.97)1.42 (0.52–3.88)1.48 (0.39–5.58)
  2-3 hr/day2.75 (0.99–7.63)1.82 (0.85–3.88)2.04 (0.65–6.43)
  4+ hr/day1 (Reference)1 (Reference)1 (Reference)
 Computer (# hours/day)
  ≤1 hr/day1.86 (0.40–8.65)1.91 (0.70–5.20)2.40 (0.70–8.19)
  2-3 hr/day1.00 (0.14–6.93)0.79 (0.26–2.39)4.21 (0.74–23.74)
  4+ hr/day1 (Reference)1 (Reference)1 (Reference)
 Meeting screen time recommendations**1.12 (0.42–2.93)1.43 (0.64–3.20)1.09 (0.47–2.52)

Reference: MUO; outcome: MHO.
Adjusted for age, gender, BMI ( -score in adolescents; kg/m2 in adults), race/ethnicity (non-Hispanic white, non-Hispanic black, Mexican American, and others: mixed and Hispanic), menopausal status, and NHANES wave (2003-2004, 2005-2006).
≤2 hrs screen time per day as recommended for children and adolescents by American Academy of Pediatrics.
Variable log transformed for analysis.
≥60 mins /day MVPA for adolescents; ≥30 mins/day adults.
N/A: not available.