Table 1 Proportions of participants in the various LBP definitions
From: Individual courses of low back pain in adult Danes: a cohort study with 4-year and 8-year follow-up
|  | 41 year n = 412 | 45 years n = 348 | 49 years n = 293 | |
|---|---|---|---|---|
Sex | male n (%) | 198 (48.1%) | 159 (46.1%) | 136 (46.4%) |
Low back pain definitions % [95% confidence interval] | past year | 69%[64;73] | 68%[63;73] | 70%[64;75] |
past month | 42%[38;47] | 48%[43;54] | 41%[35;46] | |
>30Â days/year | 25%[21;29] | 26%[21;30] | 24%[19;28] | |
seeking care* | 28%[23;32] | 29%[24;34] | 36%[30;41] | |
non-trivial | 18%[15;22] | 20%[16;24] | 20%[15;24] | |