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Table 4 Associations between insomnia-related characteristics and gender

From: Factors associated with insomnia in older adult outpatients vary by gender: a cross-sectional study

  Total Male Female   Total Male Female    
AIS items N = 400 N = 201 N = 199 p value N = 400 N = 201 N = 199 aORa 95% CI p value
AIS total scores 4.13 ± 4.39 3.19 ± 3.68 5.07 ± 4.84 < 0.001 120 (30.0%) 46 (22.9%) 74 (37.2%) 2.35 1.36-4.06 0.002
Sleep induction 0.74 ± 0.98 0.54 ± 0.87 0.93 ± 1.05 < 0.001 173 (43.3%) 68 (33.8%) 105 (52.8%) 2.32 1.40-3.85 0.001
Awakenings during the night 0.78 ± 0.96 0.68 ± 0.93 0.87 ± 0.98 0.049 188 (47.0%) 85 (42.3%) 103 (51.8%)
Final awakening 0.34 ± 0.68 0.29 ± 0.61 0.39 ± 0.75 0.130 95 (23.8%) 43 (21.4%) 52 (26.1%)
Total sleep duration 0.54 ± 0.91 0.34 ± 0.71 0.75 ± 1.03 < 0.001 128 (32.0%) 45 (22.4%) 83 (41.7%) 3.57 2.05-6.22 < 0.001
Sleep quality 0.61 ± 0.93 0.40 ± 0.72 0.82 ± 1.06 < 0.001 142 (35.5%) 54 (26.9%) 88 (44.2%) 2.67 1.57-4.54 < 0.001
Well-being during the day 0.41 ± 0.75 0.31 ± 0.66 0.51 ± 0.83 0.010 108 (27.0%) 43 (21.4%) 65 (32.7%)
Functioning capacity during the day 0.24 ± 0.58 0.20 ± 0.54 0.28 ± 0.62 0.183 69 (17.3%) 29 (14.4%) 40 (20.1%)
Sleepiness during the day 0.48 ± 0.79 0.44 ± 0.75 0.51 ± 0.83 0.343 128 (32.0%) 62 (30.8%) 66 (33.2%) 1.72 1.06-2.79 0.029
  1. aReference group: male; Logistic regression analysis with the forward stepwise method was adjusted for all factors in the Table 1