ADDITIONAL FILE 2 | Sources of information vs. students’ knowledge.
附加文件2|信息来源与学生的知识。

Sources of information (percentage of participants who indicated the source)
资料来源（指明来源的参与者百分比）

Mean
是说

Health professionals
卫生专业人员

Middle or high school classes
初中或高中课程

Peers
同行

Parents
父母

Media
媒体

Other sources
其他来源

A number of sources
许多来源

No source indicated
未指明来源

Knowledge* of:
知识 *：

n=456

(5.0%)

(28.3%)

(1.5%)

(1.8%)

(5.3%)

(8.3%)

(47.1%)

(2.6%)

p**

Q4. definition of ovulation
Q4.排卵的定义

97.8%

100.0%

98.4%

71.4%

100.0%

95.8%

97.4%

98.1%

100.0%

≤0.001

Q6. timing of ovulation
Q6.排卵时间

59.2%

52.2%

50.4%

42.9%

25.0%

79.2%

73.7%

62.8%

50.0%

≤0.05

Q7. cycle temperature changes
Q7.循环温度变化

40.4%

39.1%

38.8%

28.6%

87.5%

45.8%

31.6%

41.4%

33.3%

0.0445

Q11. length of female lifetime fertility
问题11.女性一生生育力长度

58.8%

56.5%

54.3%

28.6%

62.5%

54.2%

71.7%

65.1%

25.0%

≤0.05

Q12. best time for first child
Q12.第一个孩子的最佳时间

93.4%

87.0%

92.2%

71.4%

100.0%

87.5%

94.8%

95.8%

91.7%

0.012

Q14. definition of menopause
问题14.更年期的定义

20.8%

47.8%

13.2%

28.6%

0.0%

12.5%

50.0%

18.6%

25.0%

≤0.001
≤ 0.001

Q15b. adverse factors: irregular circadian rhythms (T)
问题15 b.不良因素：昼夜节律不规则（T）

60.3%

65.2%

48.8%

42.9%

62.5%

70.8%

81.6%

62.3%

58.3%

≤0.05
≤ 0.05

Q15h. adverse factors: long-lasting physical effort (T)
Q15 h.不利因素：长期体力劳动（T）

37.50%

56.5%

27.9%

57.1%

37.5%

20.8%

50.0%

40.9%

25.0%

≤0.05

Q15k. adverse factors: full-time work (F)
Q15k。不利因素：全时工作（F）

92.30%

73.9%

94.6%

71.4%

87.5%

95.8%

86.8%

94.9%

83.3%

≤0.05

*As a proportion of correct answers.
* 作为正确答案的比例。

** Only the statistically significant results are presented.
** 仅提供统计学显著性结果。

T, true; F, false.
T，真; F，假。