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Table 2 Percentages of respondents who correctly answered the questions of knowledge about emergency contraceptive pills (ECPs) (n = 335)

From: Knowledge and attitude toward emergency contraceptive pills among first-year undergraduate students in Southern Thailand

Question

Number (%)

Can ECPs treat pimples?

131 (39.1)

Can ECPs prevent sexually transmitted diseases?

222 (66.3)

Can ECPs be used as usual contraception (e.g. combined oral contraceptive pills; COCs)?

156 (46.6)

Is the most effective time for taking ECPs before sexual intercourse?

216 (64.5)

Should the second tablet of ECPs be taken 12 h after the first tablet?

169 (50.4)

Should ECPs be taken within 72 h after sexual intercourse?

117 (34.9)

Can ECPs completely (100%) prevent pregnancy?

263 (78.5)

Are ECPs more effective to prevent pregnancy than COCs?

102 (30.4)

Is the most effective time for taking ECPs within 12 h after sexual intercourse?

207 (61.8)

Are nausea and vomiting side effects of ECPs?

217 (64.8)

Is vaginal bleeding a side effect of ECPs?

136 (40.6)

Is ectopic pregnancy a side effect of ECPs?

141 (42.1)

Is ECPs safe in pregnant women?

242 (72.2)

Can ECPs be taken more than 4 tablets a month?

160 (47.8)

Can ECPs cause abortion?

123 (36.7)