Age and risk factors of the screened population

Table 2: Age and risk factors of the screened population.

Risk Factors	Age Range (yrs)	Mean (SD)
• Menarche	8- 18	12.8 (1.7)
• Menopause^*	35- 66	50.7 (4.7)
• 1^st Pregnancy^†	12- 41	20.9 (5.5)
• 1^st Delivery	13- 43	21.9 (5.4)
• Starting HRT^‡	36- 58	48.8 (5.9)
• Starting OCP^§	15- 51	25.7 (6.8)
• Starting Smoking^¶	13- 57	32.6 (11.5)

^*Menopause is amenorrhea for ≥ 1 year.
^†The outcome of the first pregnancy was not specifically asked for.
^‡Hormone replacement therapy used by 2.6%.
^§Oral contraceptive pills used by 69.8%.
^¶History of smoking was documented in 13.7%.