Table 1. Summary characteristics of shielded (7 April 2020) and non-shielded in 57 713 adults aged ≥18 years
VariablesShieldedn = 573Non-shieldedn = 57 140P value
n Col %nCol %
COVID-19 infection376.510371.8<0.001
SexFemale34159.528 97450.7<0.001
Male23240.528 16449.3
Missing0000
Age, years<30325.611 51220.2<0.001
30–39488.416 94529.7
40–49539.311 38919.9
50–5911119.4820714.4
60–6911820.646468.1
70–7914224.828485.0
≥806912.015932.8
Nursing home resident81.41780.3<0.001
BMI (kg/m2)Underweight (<18.5 kg/m2)264.123504.5<0.001
Normal weight(18.5–24.9 kg/m2)16929.520 98136.7
Pre-obesity(25.0–29.9 kg/m2)12221.311 07419.4
Obese I(30.0–34.9 kg/m2)7813.638556.8
Obese II(35.0–39.9 kg/m2)223.812912.3
Obese III(≥40 kg/m2)173.07141.3
Missing value13924.316 87529.5
IMD quintile (% coded)1 (most deprived)14525.310 94519.20.009
210718.710 93519.1
311419.911 56520.2
49516.611 29719.8
5 (least deprived)9516.610 50218.4
Missing173.018963.3
Ethnic groupWhite15727.418 29432.0<0.001
Black African7112.435376.2
Chinese10.210671.9
Asian345.936546.4
Mixed17029.716 08028.1
Other10117.6772413.5
Non-stated122.17271.3
Missing274.7605710.6
 History of comorbiditiesType 2 diabetes11219.626474.6<0.001
HTN15326.740427.1<0.001
CKD9115.911982.1<0.001
CHD6210.89731.7<0.001
Respiratory disease17831.16911.2<0.001
Lifestyle factorsDoes not smoke21838.132 89757.6<0.001
Currently smokes13022.710 20817.9
Formerly smoked22138.611 59620.3
Missing40.724394.3
  • CHD = coronary heart disease. Col = column. CKD = chronic kidney disease. HTN = hypertension. IMD = Index of Multiple Deprivation.