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Table 3 Estimates for the three latent classes Growth Mixture Model of healthy ageing and multinomial logistic regressions coefficients

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

Latent classes (n = 130,521)
  High stable Low stable Fast decline
n (%) 93,208 (71.4) 32,885 (25.2) 4428 (3.4)
Mean Intercept (SE) 76.47 (0.08) 51.72 (0.12) 77.18 (0.31)
Mean Linear Slope (SE) 0.15 (0.03) −0.64 (0.05) −9.81 (0.57)
Mean Quadratic Slope (SE) −0.07 (0.003) 0.01 (0.01) 0.58 (0.06)
Variance Intercept (SE) 83.02 (1.04)
Variance Linear Term (SE) 2.78 (0.17)
Variance Quadratic Term (SE) 0.03 (0.002)
Covariance Intercept-Linear Term (SE) −0.58 (0.30)
Covariance Intercept-Quadratic Term (SE) −0.01 (0.03)
Covariance Linear-Quadratic Terms (SE) −0.21 (0.02)
Physically active (n = 120,712)
 No Reference class Ref.
 Yes, OR (95% CI) 0.18 [0.17, 0.19] 0.44 [0.39, 0.50]
Vigorous physical activity (n = 90,451)
 Never Reference class Ref.
 Once per week, OR (95% CI) 0.22 [0.20, 0.24] 0.43 [0.34, 0.56]
 2/3 times per week, OR (95% CI) 0.18 [0.16, 0.21] 0.25 [0.16, 0.39]
 4+ times per week, OR (95% CI) 0.11 [0.10, 0.12] 0.65 [0.53, 0.80]
Less vigorous physical activity (n = 80,707)
 Never Reference class Ref.
 Once per week, OR (95% CI) 0.17 [0.15, 0.19] 0.26 [0.20, 0.34]
 2/3 times per week, OR (95% CI) 0.07 [0.05, 0.12] 0.11 [0.07, 0.16]
 4+ times per week, OR (95% CI) 0.07 [0.06, 0.07] 0.23 [0.18, 0.28]
  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