enquête (1) association (1) santé (1) effet (1) âge (1) enfant (1) jeune (1) Communication (1) Methods (1) Teenagers (1) Women (1) Weights and measures (1) Temperance (1) Social groups (1) Sex (1) Quakers (1) Probabilities (1) Parents (1) Mothers (1) Health (1) Fasting (1) Design (1) Daughters (1) Contraception (1) Confidence (1) Condoms (1) Communication (1) Older people (1) Age (1) Methods (1)