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H&H is part of the Tobacco Center of Regulatory Science (TCORS) Population Core, which aims to understand the use and health effects of specific e-cigarette products across populations. More specifically, the H&H study aims to identify novel risk factors for adolescent and young adult substance use and examine mental and emotional health, and other health behaviors.

Participants in H&H were recruited in 9th grade from 10 high schools in the Los Angeles metropolitan area (N=3396). Data were collected every 6 months through high school, and we have completed three additional waves of follow-up post-high school. Data collection is planned annually through 2022.

Data

To access the data, please the instructions found on the main Data page



Surveys

NameDescriptionFieldwork periodSample size
H&H W1Happiness and Health Study Wave 1Fall 20133396
H&H W2Happiness and Health Study Wave 2Spring 20143396
H&H W3Happiness and Health Study Wave 3Fall 20143387
H&H W4Happiness and Health Study Wave 4Spring 20153387
H&H W5Happiness and Health Study Wave 5Fall 20153381
H&H W6Happiness and Health Study Wave 6Spring 20163381
H&H W7Happiness and Health Study Wave 7Fall 20163377
H&H W8Happiness and Health Study Wave 8Spring 20173373
H&H W9Happiness and Health Study Wave 92018 - 20193370
H&H W10Happiness and Health Study Wave 102019 - 20203310
H&H W11Happiness and Health Study Wave 112020 - 20213308
H&H W12Happiness and Health Study Wave 122021 - 20223287