Table 6

OR of MS with 95% CI for subjects with different sleep quality (assessed on a 5-grade scale)

Total
Value ca/co** OR (95% CI)† OR (95% CI)‡ Trend
51043/17101.0 (reference)1.0 (reference)
4682/10791.0 (0.9 to 1.2)1.0 (0.9 to 1.2)
3216/2271.5 (1.2 to 1.8)1.5 (1.3 to 1.9)
1–2134/1481.5 (1.2 to 1.9)1.5 (1.1 to 1.9)<0.0001
No shift work
Value ca/co** OR (95% CI)† OR (95% CI)‡ Trend
5973/16071.0 (reference)1.0 (reference)
4628/10141.0 (0.9 to 1.2)1.0 (0.9 to 1.2)
3192/2091.5 (1.2 to 1.8)1.5 (1.2 to 1.9)
1–2122/1351.5 (1.2 to 1.9)1.5 (1.1 to 1.9)0.0001
  • *Number of exposed cases and controls

  • †Adjusted for age, sex, residential area and ancestry.

  • ‡Adjusted for age, sex, residential area, ancestry, smoking, IM history and sun exposure.

  • IM, infectious mononucleosis; MS, multiple sclerosis.