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Table 3 Summary of effect of lower age at menarche on 15-year survival

From: Lower age at menarche affects survival in older Australian women: results from the Australian Longitudinal Study of Ageing

  Complete case analyses (n = 942) Multiple imputation analyses (n = 1,031)
Model HR 95% CI P-value HR 95% CI P-value
1: Age adjusted       
   Menarche ≥ 12y 1.00    1.00   
   Menarche < 12y 1.35 1.05 - 1.73 0.018 1.30 1.02 - 1.65 0.032
2: Age + Health adjusteda      
   Menarche ≥ 12y 1.00    1.00   
   Menarche < 12y 1.31 1.02 - 1.68 0.037 1.26 0.98 - 1.61 0.070
3: Age + Health + Lifestyle adjustedb     
   Menarche ≥ 12y 1.00    1.00   
   Menarche < 12y 1.31 1.02 - 1.69 0.035 1.29 1.01 - 1.64 0.045
4: Age + Health + Lifestyle + Reproductive adjustedc    
   Menarche ≥ 12y 1.00    1.00   
   Menarche < 12y 1.28 0.99 - 1.65 0.062 1.25 0.98 - 1.60 0.074
  1. a: Overall analyses adjusted for age group, place of residence, and health variables (self-rated health, cognitive function, number of morbid conditions).
  2. b: Overall analyses adjusted for age group, place of residence, health variables, and lifestyle variables (smoking status, exercise status, BMI category).
  3. c: Overall analyses adjusted for age group, place of residence, health variables, lifestyle variables, and reproductive variables (parity, age at menopause, number of reproductive years)