Table 2: Association of age with knowledge

				Knowledge
Age (years)		Total		Poor		Acceptable		Good		p-value
20-30		91		46 (50.5%)		45		0
31-40		118		44 (37.2%)		64		10		0.002
41-50		49		24 (48.9%)		19		6
>51		22		16 (72.7%)		4		2