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Table 1 Variables from the questionnaire of the HBSC study analyzed in this study

From: Prevalence of emergency contraceptive pill use among Spanish adolescent girls and their family and psychological profiles

Sexual behavior variable Brief description Response options
ECP An item developed by the Spanish HBSC team that assesses the number of times that girls have used ECPs in their lives. No, never, Yes, once, Yes, 2 times, and Yes, 3 times or more.
Family dimensions Brief description Response rank
Maternal and paternal knowledge Scales taken from the parental knowledge scale of Brown, Mounts, Lamborn, and Steinberg [27], which asks adolescents what their father/mother knows about their life outside of home. From 0 (low knowledge) to 2 (high knowledge).
Communication with the mother and the father Two items developed by the international HBSC study from its beginning. They assess adolescents’ perception about ease of communication with their mother/father. From 0 (very difficult) to 3 (very easy).
Maternal and paternal affection Scales taken from one of the Parental Bonding Instrument-Brief Current form (PBI-BC) subscales of Klimidis, Minas, and Ata [28] that ask adolescents about how their father/mother demonstrates affection to them. From 0 (low affection) to 2 (high affection).
Psychological variables Brief description Response rank
Life satisfaction Taken from the Satisfaction With Life Scale [29], a scale composed of 5 items to assess global life satisfaction, one of the components of subjective well-being. From 1 to 7 (higher values indicate higher life satisfaction).
Sense of coherence A version of 13 items (SOC-13) of the Orientation with Life Questionnaire [30], which assesses different aspects related to salutogenesis, an approach aimed at identifying and promoting the so-called salutogenic factors, i.e., those factors that foster health and well-being. From 1 to 7 (higher values indicate a greater sense of coherence).
Depression Taken from the Center for Epidemiologic Studies Depression Scale, CES-D12 [31], composed of 12 items that assess depressive symptoms in adolescence. From 1 to 4 (higher values indicate higher level of depression).