highly significantp = 0.005
When we combined men and women in one model, the association was highly significant (HR for using smokeless coal, 1.580; 95% CI, 1.147–2.174; p = 0.005) (data not shown).
When we combined men and women in one model, the association was highly significant (HR for using smokeless coal, 1.580; 95% CI, 1.147–2.174; p = 0.005) (data not shown).