Percentages and risk estimations of low self-efficacya by parental migration among girls.

Variables adjusted included school, grade, ethnicity, perceived living standard (as a surrogate of family income) and gender and education of the guardian in the multivariate models.aSelf-efficacy was measured by the smoking self-efficacy questionnaire (SEQ-12), participants with scores below than the 25th percentile of all were defined as low self-efficacy.bRisks were estimated among all girls.cRisks were estimated among girls with paternal or maternal migration only.

本研究的多变量模型中，校正变量涵盖学校、年级、种族、感知生活水平（作为家庭收入的替代指标），以及监护人的性别与受教育程度。
a 自我效能感（self-efficacy）采用吸烟自我效能量表（SEQ-12）进行测量，将所有参与者中得分低于整体样本第25百分位数的个体定义为低自我效能感群体。
b 针对全体女性群体开展风险估计。
c 仅针对父亲或母亲存在迁移行为的女性群体开展风险估计。