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Table 4 Study 2 ANOVA results for K6 score (dependent variable) and customer contacts (fixed factor).

From: Interacting with the public as a risk factor for employee psychological distress

    95% CI
Contact Number Mean K6 score Std. Error Lower Upper
0 to 24 3.7 0.4 2.9 4.6
25 to 49* 5.3 0.4 4.5 6.1
50 to 89* 5.1 0.3 4.4 5.8
90 to 149* 5.3 0.4 4.6 6.1
150+* 5.2 0.4 4.5 5.9
  1. Caption: * indicates group is significantly different from the reference group of 0 - 24 contacts. There are no statistical differences between the groups of 25 - 49, 50 - 89, 90 - 149 and 150+ contacts.