Later puberty onset among chronically undernourished adolescents living in a Karachi slum, Pakistan

Aim To assess factors associated with the timing of puberty onset (Tanner Stage Breast 2/Genital 2) among adolescents living in an urban slum in Karachi, Pakistan. Methods Girls enrolled at 8‐10 years (n = 1009) and boys 9‐11 years (n = 863) were followed every 6 months from 2006 to 2010. Parametric survival analysis for interval‐censored data was used to estimate median age at puberty onset and assess the association between exposures and...