Social measures for reducing exposure to secondhand smoke in migrant workers of sugarcane harvest in the lower northern region of Thailand.

Introduction: The sugarcane harvest migrant workers are an underprivileged group in Thailand and have a high risk of exposure to secondhand smoke but are potentially neglected in health promotion interventions.

Methods: This three-phase study applied a mixed-method research approach. The data were collected from February to December 2019 from the Sukhothai province of Thailand.