Skip to main content

Table 4 Risk ratio (RR) and 95%CI of number of boys with early puberty index development with PTS exposure in Ravnborg 2011

From: Association of prenatal and childhood environment smoking exposure with puberty timing: a systematic review and meta-analysis

Puberty index RR 95% CI p
Number of boys with early voice break 1.34 1.29, 1.40 0.00
Number of boys with early growth of penis 0.99 0.94, 1.04 0.64
Number of boys with early pubic hair development 0.99 0.93, 1.04 0.60