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. Author manuscript; available in PMC: 2011 Oct 1.
Published in final edited form as: J Adolesc Health. 2010 Apr 28;47(4):389–398. doi: 10.1016/j.jadohealth.2010.02.008

Table 1. Variable renaming and response recodes for Add Health and HBSC Survey Items.

HBSC 1997/98: RECODE ADD HEALTH 1996: RECODE
Sexual Intercourse
Have you ever had sexual intercourse? Have you ever had sexual intercourse?
 1 = Yes 0 = No  1 = Yes 0 = No
 0 = No 1 = Yes  0 = No 1 = Yes
Substance Use
How often do you smoke tobacco at present? In the past 30 days, how many days did you smoke cigarettes?
 1 = Daily 0 = Do not smoke (4)  0-30 0 = Do not smoke (0)
 2 = Weekly 1 = Less than daily (2,3) 1 = Less than daily (1-29)
 3 = <Weekly 2 = Daily (1) 2 = Daily (30)
 4 = Do not smoke
How often do you currently drink [wine/spirits/beer]? [most frequent of drinks] During the past 12 months, on how many days did you drink alcohol?
 1 = Daily 0 = Never (5)  1 = Every/almost every day 0 = Never (7, 97)
 2 = Weekly 1 = Rarely (4)  2 = 3-5 days/week 1 = Rarely (5, 6)
 3 = Monthly 2 = Monthly (3)  3 = 1-2 days/week 2 = Monthly (4)
 4 = Rarely 3 = Weekly or more (2,1)  4 = 2 or 3 days/month 3 = Weekly or more (1, 2, 3)
 5 = Never  5 = ≤1ce per month or less
 6 = 1 or 2 days past year
 7 = Never
 97 = Legit skip
Have you ever had so much alcohol that you were really drunk? How often drunk in past 12 months?
 0 = Never 0 = Never (0)  1 = Every/almost every day 0 = Never (7, 97)
 1 = Once 1 = Once or more (1-4)  2 = 3-5 days/week 1 = Once or more (1-6)
 2 = 2-3 times  3 = 1 or 2 days/week
 3 = 4-10 times  4 = 2 or 3 days/month
 4 = >10 times  5 = ≤1ce per month
 6 = 1 or 2 days past year
 7 = Never
 97 = Legit skip
School attachment
I like school You are happy to be at your school. [coding scheme 1]
 1 = Like a lot 1 = Like (1,2)  1 = Strongly agree 1 = Like (1,2)
 2 = Like a bit 0 = Dislike (3,4)  2 = Agree 0 = Dislike (3-5)
 3 = Not very much  3 = Neutral [coding scheme 2]
 4 = Not at all  4 = Disagree 1 = Like (1-3)
 5 = Strongly disagree 0 = Dislike (4,5)
Teachers treat students fairly The teachers at your school treat students fairly
 1 = Strongly agree 1 = Strongly disagree (5)  1 = Strongly agree 1 = Strongly disagree (5)
 2 = Agree 2 = Disagree (4)  2 = Agree 2 = Disagree (4)
 3 = Neutral 3 = Neutral (3)  3 = Neutral 3 = Neutral (3)
 4 = Disagree 4 = Agree (2)  4 = Disagree 4 = Agree (2)
 5 = Strongly disagree 5 = Strongly agree (1)  5 = Strongly disagree 5 = Strongly agree (1)
Teachers show an interest in me as a person How much do you feel that your teachers care about you?
 1 = Strongly agree 1 = Not at all (5)  1 = Not at all 1 = Not at all
 2 = Agree 2 = Very little (4)  2 = Very little 2 = Very little
 3 = Neutral 3 = Somewhat (3)  3 = Somewhat 3 = Somewhat
 4 = Disagree 4 = Quite a bit (2)  4 = Quite a bit 4 = Quite a bit
 5 = Strongly disagree 5 = Very much (1)  5 = Very much 5 = Very much
I feel like I belong at school You feel like you are part of your school.
 1 = Strongly agree 1 = Strongly disagree (5)  1 = Strongly agree 1 = Strongly disagree (5)
 2 = Agree 2 = Disagree (4)  2 = Agree 2 = Disagree (4)
 3 = Neutral 3 = Neutral (3)  3 = Neutral 3 = Neutral (3)
 4 = Disagree 4 = Agree (2)  4 = Disagree 4 = Agree (2)
 5 = Strongly disagree 5 = Strongly agree (1)  5 = Strongly disagree 5 = Strongly agree (1)
Positive parent communication
How easy is it for you to talk with your mother/father? [mean of mom/dad] You are satisfied with the way [MOM/DAD] and you communicate with each other? [mean of mom/dad]
 1 = Very easy 1 = Good communication (1,2)  1 = Strongly agree 1 = Good communication (1,2)
 2 = Easy 0 = Bad communication (3,4)  2 = Agree 0 = Bad communication (3-5)
 3 = Difficult  3 = Neutral
 4 = Very difficult  4 = Disagree
 5 = Strongly disagree