Skip to main content

Table 5 Estimates for the sensitivity analysis B: three latent classes Growth Mixture Model of healthy ageing and multinomial logistic regressions coefficients with reduced sample (studies with information on less vigorous activity)

From: The impact of physical activity on healthy ageing trajectories: evidence from eight cohort studies

Latent classes (n = 91,950)
  High stable Low stable Fast decline
n (%) 61,774 (67.2) 25,461 (27.7) 4715 (5.1)
Mean Intercept (SE) 78.21 (0.08) 52.51 (0.13) 78.92 (0.23)
Mean Linear Slope (SE) 0.42 (0.04) −0.84 (0.05) −7.97 (0.49)
Mean Quadratic Slope (SE) −0.09 (0.004) 0.03 (0.005) 0.41 (0.05)
Variance Intercept (SE) 75.32 (1.15)
Variance Linear Term (SE) 2.80 (0.23)
Variance Quadratic Term (SE) 0.03 (0.002)
Covariance Intercept-Linear Term (SE) −1.07 (0.36)
Covariance Intercept-Quadratic Term (SE) 0.04 (0.04)
Covariance Linear-Quadratic Terms (SE) −0.23 (0.02)
Physically active (n = 87,806)
 No Reference class Ref.
 Yes, OR (95% CI) 0.18 [0.17, 0.20] 0.41 [0.36, 0.46]
Vigorous physical activity (n = 81,556)
 Never Reference class Ref.
 Once per week, OR (95% CI) 0.27 [0.25, 0.28] 0.43 [0.35, 0.53]
 2/3 times per week, OR (95% CI) 0.21 [0.19, 0.24] 0.20 [0.14, 0.30]
 4+ times per week, OR (95% CI) 0.14 [0.13, 0.15] 0.58 [0.47, 0.71]
Less vigorous physical activity (n = 80,707)
 Never Reference class Ref.
 Once per week, OR (95% CI) 0.21 [0.19, 0.23] 0.32 [0.25, 0.40]
 2/3 times per week, OR (95% CI) 0.10 [0.09, 0.11] 0.15 [0.11, 0.20]
 4+ times per week, OR (95% CI) 0.09 [0.08, 0.10] 0.24 [0.20, 0.29]
  1. Note. CI Confidence interval; OR Odds ratio; SE Standard error. All multinomial logistic regression models are adjusted for age, gender, study, wealth, education, smoking, and alcohol drinking