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Table 1 The Global Mental Health index (GMH)

From: Mental distress predicts divorce over 16 years: the HUNT study

Item Response categories r β Corrected item-total correlation
Do you often feel lonely? Very often 0.65 0.32 0.46
Often    
Sometimes    
Very rarely    
Never    
During the last month, have you suffered from nervousness (felt irritable, anxious, tense or restless)? Almost all the time 0.85 0.30 0.59
Often    
Sometimes    
Never    
Do you feel, for the most part, strong and fit or tired and worn out? Very strong and fit 0.69 0.17 0.60
Strong and fit    
Somewhat strong and fit    
Somewhere in between    
Somewhat tired and worn out    
Tired and worn out    
Very tired and worn out    
During the last month, have you had any problems falling asleep or sleep disorders? Almost every night 0.62 0.13 0.48
Often    
Sometimes    
Never    
Do you suffer from any long-term illness or injury of a physical or psychological nature that impairs your functioning in your everyday life? (Long-term means that it has lasted or will last for at least one year.) If YES, would you describe your impairment as slight, moderate or severe? [Among different types of impairment] Impairment due to mental health problems Slight 0.50 0.12 0.33
Moderate    
Severe    
Do you by and large feel calm and good? Almost all the time 0.74 0.11 0.61
Often    
Sometimes    
Never    
Thinking about your life at the moment, would you say that you are by and large satisfied with life, or that you are mostly dissatisfied with your life? Very satisfied 0.60 0.03 0.56
Satisfied    
Somewhat satisfied    
Neither satisfied nor    
dissatisfied    
Somewhat dissatisfied    
Dissatisfied    
Very dissatisfied    
Would you say you are usually cheerful or downhearted? Very downhearted 0.60 0.02 0.56
Downhearted    
Somewhat downhearted    
Some of both    
Somewhat cheerful    
Cheerful    
Very cheerful    
How often have you taken tranquilizers/sedatives or sleep medication during the Daily 0.50 0.01 0.41
last month?    
Weekly, but not every day    
Not as often as every week    
Never    
  1. Response categories and psychometric properties: items’ correlation with (r) and relative contributions to (β) the GMH, and corrected item-total correlations.