Table 1

Baseline characteristics intervention group (n=10 000) and control group (n= 31 519), Rogaland county, Norway 2006
Intervention group n= 10 000 Control group n= 31 519
n (%) n (%)
Age (18–21) 5005 50.1% 15889 50.4%
Sex (male) 5077 50.7% 16002 50.7%
Municipality:
Bjerkheim 71 0.7% 213 0.7%
Bokn 12 0.1% 51 0.2%
Eigersund 340 3.4% 1068 3.4%
Finnøy 72 0.7% 1068 0.7%
Forsand 32 0.3% 69 0.2%
Gjesdal 250 2.5% 808 2.6%
428 4.3% 1299 4.1%
Haugesund 826 8.3% 2549 8.1%
Hjelmeland 61 0.6% 216 0.7%
Karmøy 883 8.8% 2984 9.5%
Klepp 383 3.8% 1031 3.3%
Kvitsøy 8 0.1% 42 0.1%
Ølen 97 1.0% 263 0.8%
Lund 92 0.9% 263 0.8%
Randaberg 219 2.2% 725 2.3%
Rennesøy 90 0.9% 231 0.7%
Sandnes 1588 15.9% 4859 15.4%
Sauda 132 1.3% 362 1.1%
Sokndal 68 0.7% 270 0.9%
Sola 489 4.9% 1554 4.9%
Strand 276 2.8% 872 2.8%
Suldal 103 1.0% 307 1.0%
Time 400 4.0% 1253 4.0%
Tysvær 209 2.1% 735 2.3%
Utsira 9 0.1% 10 0.0%
Vindafjord 137 1.4% 379 1.2%

Kløvstad et al.

Kløvstad et al. BMC Infectious Diseases 2013 13:30   doi:10.1186/1471-2334-13-30

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