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Table 1 Mean values of the six outcome variables by gender, age groups and socio-economic status

From: Multimorbidity as a predictor of health service utilization in primary care: a registry-based study of the Catalan population

 nPC visits (mean, ±SD, CI95%)Frequent attendersHome care usersSocial worker usersMedications (mean, ±SD, CI95%)Polypharmacy patients
Total6,102,5956.11, ±9.5,
6.10–6.12
14.1%4.8%2.7%3.90 ± 4.7
3.90–3.90
15.5%
Gender
 Males2,971,8615.37, ±9.3,
5.36–5.38
11.8%3.6%1.9%3.31, ±4.4,
3.30–3.31
12.3%
 Females3,130,7346.82, ±9.5,
6.81–6.83
16.2%5.9%3.4%4.46, ±4.9,
4.46–4.47
18.5%
Age group
 18–44 years2,773,9273.43, ±5.7,
3.43–3.44
5.3%0.8%0.7%1.90, ±2.7,
1.90;1.90
3.3%
 45–64 years1,974,4445.50, ±8.0,
5.49–5.51
11.8%2.1%1.6%3.64, ±4.2,
3.63–3.65
12.5%
 65–74 years683,9489.99, ±10.9,
9.96–10.01
26.9%6.3%3.2%7.24, ±5.4,
7.22–7.25
35.7%
 75–84 years458,84114.68, ±15.0,
14.64–14.72
43.2%20.2%10.9%9.49, ±5.7,
9.47–9.50
53.3%
  > 84 years211,43515.84, ±16.9,
15.77–15.91
45.4%43.5%18.8%9.60, ±5.5,
9.58–9.63
55.4%
Socioeconomic status
 Very High621,8884.34, ±7.7,
4.33–4.36
8.7%3.8%2.1%3.21, ±4.5,
3.20–3.22
12.5%
 High1,248,7385.50, ±8.8,
4.48–5.51
12.1%4.8%3.0%3.70, ±4.7,
3.69–3.71
14.6%
 Moderate2,398,6496.39, ±9.7,
6.37–6.40
14.9%4.8%2.5%3.92, ±4.7,
3.92–3.93
15.5%
 Poor1,224,0046.82, ±10.1,
6.80–6.84
16.3%5.4%2.8%4.15, ±4.8,
4.14–4.16
16.7%
 Very poor609,3166.68, ±9.9,
6.65–6.70
15.9%4.6%3.4%4.41, ±5.0,
4.40–4.43
18.3%
  1. PC Primary care, SD Standard Deviation, CI95% Confidence interval 95%