Table 4

HRs and their 95% CIs related to increased incidence of psychiatric events after the organisational merger, stratified analyses by age, sex and occupational status*

Category of organisational change during a merger by sociodemographic variablesStudy population I (N=6511)p Value for interaction
N (No. of cases)HR (95% CI)N (No. of cases)HR (95% CI)
Age<50 years50 years or older0.507
 Improved situation995 (29)0.98 (0.64 to 1.50)457 (20)1.09 (0.65 to 1.80)
 Unaltered situation2408 (75)1.001433 (61)1.00
 Worsened situation732 (37)1.69 (1.14 to 2.50)486 (30)1.51 (0.97 to 2.35)
SexMenWomen0.569
 Improved situation1157 (33)0.95 (0.64 to 1.42)295 (16)1.22 (0.69 to 2.17)
 Unaltered situation2912 (92)1.00929 (44)1.00
 Worsened situation952 (43)1.43 (1.00 to 2.06)266 (24)1.94 (1.22 to 3.19)
Occupational statusManualNon-manual0.408
 Improved situation812 (29)1.00 (0.66 to 1.51)640 (20)1.14 (0.66 to 1.95)
 Unaltered situation2527 (95)1.001314 (41)1.00
 Worsened situation715 (36)1.38 (0.94 to 2.03)503 (31)1.99 (1.25 to 3.18)
  • * All models adjusted for other sociodemographic factors are listed in the table.