“…5 Unfortunately, a study in Indonesia showed that only 21.5% of workers have access to proper lactation support at work and only 7.5% of workers benefits from adequate lactation education support/program provided by the employers, which was indicated the poor support of knowledge improvement initiatives in workers. 6 Hence, the prevalence of exclusive breastfeeding among bluecollar worker (manufacture labor) in Indonesia is only 19%, far below national prevalence which was 38%. 7 Workers were defined as white-collar workers by the following 14 job titles: administration, management, accounting, business, planning, personnel affairs, human resources, marketing, distribution, inspection, customer service, sales, supporting and international sales.…”