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Table 4 Prevalence of GHQ-12 disturbance and SF-36 PCS and MCS scores [mean (SE)] among those with and without cough at baseline and follow-up.

From: Associations of physical and mental health problems with chronic cough in a representative population cohort

Cough % GHQ disturbance (n) SF-36 Mean (SE)
   severe ≥ mild PCS MCS
Baseline Follow-up     
No No 10.0 (182) 21.0 (381) 51.4 (0.2) 52.8 (0.2)
  Yes 21.2* (33) 31.4* (49) 47.0* (0.7) 47.2* (0.7)
Yes No 16.9 (40) 30.9 (73) 47.4 (0.6) 49.0 (0.6)
  Yes 24.8* (35) 36.2* (51) 44.6*†‡ (0.8) 46.3*‡ (0.8)
  1. * p < .01 vs never cough
  2. p < .01 vs cough only at follow-up
  3. p < .01 vs cough only at baseline