Table 8 Normative 4DSQ data from the Dutch general population, by gender and age
| Â | Women | Men | ||||||
|---|---|---|---|---|---|---|---|---|
16–24 years | 25–44 years | 45–64 years | 65+ years | 16–24 years | 25–44 years | 45–64 years | 65+ years | |
n = 411 | n = 804 | n = 1048 | n = 578 | n = 278 | n = 635 | n = 915 | n = 606 | |
Distress | ||||||||
 Mean | 7.94 | 6.60 | 6.22 | 5.61 | 5.01 | 4.58 | 4.91 | 4.00 |
 Standard deviation | 7.65 | 7.27 | 6.46 | 6.00 | 5.79 | 5.98 | 6.37 | 5.05 |
 Skewness | 1.09 | 1.52 | 1.48 | 1.65 | 1.89 | 1.98 | 1.97 | 2.19 |
 Minimum | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 Median | 6 | 4 | 4 | 4 | 3 | 2 | 3 | 2 |
 Maximum | 32 | 32 | 32 | 30 | 30 | 30 | 32 | 32 |
 Percentiles | ||||||||
  5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
  20 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
  40 | 4 | 3 | 3 | 3 | 2 | 2 | 1 | 1 |
  60 | 8 | 6 | 6 | 5 | 5 | 3 | 4 | 3 |
  80 | 14 | 11 | 11 | 9 | 9 | 7 | 8 | 7 |
  95 | 24 | 24 | 20 | 18 | 17 | 19 | 19 | 14 |
Depression | ||||||||
 Mean | 1.08 | 0.74 | 0.74 | 0.61 | 0.76 | 0.64 | 0.73 | 0.53 |
 Standard deviation | 2.49 | 2.03 | 2.03 | 1.71 | 1.95 | 1.69 | 1.98 | 1.63 |
 Skewness | 2.87 | 3.65 | 3.60 | 3.80 | 3.16 | 3.68 | 3.59 | 4.51 |
 Minimum | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 Median | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 Maximum | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
 Percentiles | ||||||||
  5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
  20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
  40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
  60 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
  80 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
  95 | 7 | 5 | 5 | 5 | 6 | 4 | 5 | 3 |
Anxiety | ||||||||
 Mean | 2.13 | 1.35 | 1.19 | 1.14 | 1.01 | 0.84 | 0.91 | 0.72 |
 Standard deviation | 3.77 | 3.20 | 2.78 | 2.33 | 2.60 | 2.44 | 2.56 | 1.81 |
 Skewness | 2.90 | 4.02 | 3.81 | 3.46 | 4.74 | 4.92 | 4.84 | 5.00 |
 Minimum | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 Median | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 Maximum | 24 | 24 | 24 | 18 | 21 | 24 | 23 | 21 |
 Percentiles | ||||||||
  5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
  20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
  40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
  60 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
  80 | 4 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
  95 | 11 | 8 | 6 | 6 | 5 | 5 | 5 | 4 |
Somatization | ||||||||
 Mean | 7.19 | 5.79 | 5.60 | 5.19 | 4.05 | 3.72 | 4.18 | 3.94 |
 Standard deviation | 5.78 | 5.25 | 5.12 | 4.80 | 3.86 | 4.38 | 4.63 | 4.24 |
 Skewness | 1.17 | 1.42 | 1.35 | 1.41 | 1.42 | 2.25 | 1.85 | 1.88 |
 Minimum | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 Median | 6 | 5 | 4 | 4 | 3 | 3 | 3 | 3 |
 Maximum | 32 | 30 | 30 | 31 | 25 | 29 | 28 | 27 |
 Percentiles | ||||||||
  5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
  20 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 1 |
  40 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 |
  60 | 8 | 6 | 5 | 5 | 4 | 3 | 4 | 4 |
  80 | 11 | 9 | 9 | 8 | 7 | 6 | 7 | 6 |
  95 | 18 | 17 | 16 | 15 | 11 | 12 | 14 | 12 |