Table 1

Characteristics of primary healthcare providers (PHCPs), including general practitioners (GPs), GPs in training and other PHCPs who participated in their first testing time points*

PHCPs n=3390GPs n=2597GPs in training n=386Other PHCPs n=407
Age†, median (IQR)40(31-54)44(34-57)27(26-28)38(31-47)
Gender‡, n (%)
 Male1119(33.0)943(36.3)112(29.0)64(15.7)
 Female2296(66.9)1652(63.6)274(71.0)343(84.3)
 Not reported2(0.1)2(0.1)0(0)0(0)
Practice size, n (%)‡
 Solo618(33.5)580(34.7)54(16.1)29(11.8)
 Duo361(19.6)328(19.6)74(22.1)32(13.1)
 Group (<8 employees)382(20.7)351(21.0)51(15.2)21(8.6)
 Large group (>7 employees)444(24.1)386(23.1)156(46.6)150(61.2)
  • *The first testing time point was December 2020 for 2820 and January 2021 for 570 PHCPs, respectively.

  • †Ages <21 were considered unrealistic and recoded as missing; IQR=IQR range.

  • ‡If numbers do not add up to the column total, this is due to missing data; numbers of practices for PHCPs=1845, GPs=1672, GPs in training=335 and other PHCPs=245.