Time-trend analysis of fruit and vegetable intake in Hong Kong, 2004-2016.

•Since 2005, there have been a series of campaigns promoting fruit and vegetable intake.•Over 89% of adults did not meet fruit or vegetable intake recommendations between 2004 and 2016.•Downward fruit intake trends were observed among adults across all age groups.•Upward vegetable intake trends were observed among adults aged 35–44 years and below.•Changes in fruit and vegetable intake between 2004 and 2016 were mostly non-significant.