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Table 3 Fit statistics of individual items

From: Development and validation of a condition-specific diary to measure severity, bothersomeness and impact on daily activities for patients with acute urinary tract infection in primary care

Final dimension Item number Item Item rest-score SD P
observed expected
Symptom severity
Dysuria 1 Pain on urination 0.380 0.367 0.046 0.765
2 Difficult to empty bladder 0.370 0.375 0.047 0.928
3 Uncomfortable pressure around the bladder 0.375 0.365 0.046 0.831
Frequency 4 Frequent urination - daytime 0.704 0.679 0.034 0.474
5 Increased urge for urination 0.682 0.682 0.034 0.999
6 Has to hurry to the toilet 0.737 0.690 0.030 0.118
7 Incontinence 0.672 0.704 0.032 0.314
Lower back 8 Pain in lower back 0.957 0.957 0.011 0.993
9 Uncomfortable pressure in lower back 0.957 0.957 0.011 0.993
General 10 Feeling unwell 0.663 0.651 0.041 0.770
11 Fever 0.705 0.669 0.044 0.422
12 Shivering 0.629 0.672 0.043 0.327
Single items 13 Burning sensation on urination
14 Smelly urine
15 Urine changed appearance
16 Blood in urine
17 Frequent urination - nighttime
18 Pain around the bladder
Symptom bothersomeness
Dysuria 19 Pain on urination 0.396 0.365 0.067 0.650
20 Difficulty emptying bladder 0.385 0.403 0.067 0.790
21 Uncomfortable pressure around the bladder 0.397 0.390 0.066 0.917
Frequency 22 Frequent urination - daytime 0.663 0.690 0.045 0.551
23 Increased urge to urinate 0.699 0.693 0.046 0.888
24 Has to hurry to the toilet 0.758 0.704 0.043 0.217
25 Incontinence 0.724 0.727 0.046 0.946
Lower back 26 Pain in lower back 0.966 0.967 0.014 0.987
27 Uncomfortable pressure in lower back 0.966 0.967 0.014 0.987
General 28 Feeling unwell 0.692 0.707 0.056 0.792
29 Fever 0.766 0.694 0.059 0.223
30 Shivering 0.671 0.714 0.059 0.457
Single items 31 Burning sensation on urination
32 Smelly urine
33 Urine changed appearance
34 Blood in urine
35 Frequent urination - nighttime
36 Pain around the bladder
Daily activities
Daily activities 37 Work 0.861 0.762 0.039 0.010*
38 Social activities 0.811 0.768 0.038 0.251
39 Exercise 0.758 0.775 0.036 0.652
40 Cycling 0.620 0.777 0.042 0.000**
41 Tasks in the home 0.792 0.767 0.040 0.538
Single items 42 Sleep     
43 Sex     
  1. A non-significant P-value suggests a good fit to the unidimensional model of the individual items. Critical levels adjusted by the Benjamini-Hochberg procedure: * < 5% FDR, ** < 1% FDR