Table 2

Prevalence of at least weekly GORS in the HUNT study, stratified by time point, sex and age groups

Prevalence of at least weekly GORS*
1995–7 (HUNT 2)2006–9 (HUNT 3/Mini-Q)Relative change
Total N=58 869Total N=44 997 Total
Number%95% CINumber%95% CI%
683511.611.4 to 11.9769217.116.7 to 17.447.2
Women N=30 608Men N=28 261Women N=24 550Men N=20 440WomenMen
Age (years)§ Number%95% CINumber%95% CINumber%95% CINumber%95% CI%%
All ages340011.110.8 to 11.5343512.211.8 to 12.5403616.416.0 to 16.9365417.917.4 to 18.448.047.1
 <409108.68.1 to 9.297910.710.0 to 11.377811.710.9 to 12.561814.113.1 to 15.135.631.9
 40–4966310.09.3 to 10.881012.912.1 to 13.873814.914.0 to 16.072918.016.8 to 19.249.439.0
 50–5960611.810.9 to 12.767413.312.4 to 14.391617.916.8 to 18.995919.818.7 to 21.051.349.1
 60–6956814.613.5 to 15.850413.011.9 to 14.190520.919.7 to 22.280319.218.0 to 20.443.147.9
 ≥7065314.813.8 to 15.946812.111.1 to 13.270020.018.7 to 21.454518.417.0 to 19.834.951.6
  • * At least weekly gastro-oesophageal reflux symptoms (GORS): at least weekly complaints with heartburn or acid regurgitation.

  • Relative change in prevalence = (prevalence HUNT 3/Mini-Q—prevalence HUNT 2)/prevalence HUNT 2.

  • Seven participants in HUNT 3/Mini-Q had missing information on sex.

  • § Age at time of GORS assessment (HUNT 2 and HUNT 3/Mini-Q, respectively).