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Table 2 Comparison of psychological outcomes between invited and non-invited participants. All values are means (SD).

From: Screening for type 2 diabetes is feasible, acceptable, but associated with increased short-term anxiety: A randomised controlled trial in British general practice

  Invited (n = 77)* Non-invited (n = 168)* p-value from t-test
STAI anxiety (range 20–80) 37.6 (12.2) 34.1 (12.1) 0.015
Self-perceived health; range (1 to 5)** 2.97 (0.86) 2.95 (0.87) 0.82
Illness representation subscales; (range 1 to 5)    
   - Acute/chronic illness 3.95 (0.48) 4.07 (0.46) 0.07
   - Cyclic illness 2.99 (0.42) 2.93 (0.46) 0.64
   - Consequences 3.25 (0.47) 3.40 (0.50) 0.08
   - Personal consequences 3.67 (0.44) 3.70 (0.45) 0.60
   - Treatment control 3.60 (0.41) 3.60 (0.43) 0.87
   - Emotional representations 2.58 (0.66) 2.63 (0.75) 0.74
   - Illness coherence 3.10 (0.83) 3.05 (0.86) 0.98
  1. * Numbers may vary from those in Figure 1 due to non-response of questionnaires
  2. * *scored 1 = poor 2 = fair 3 = good 4 = very good 5 = excellent