Table 1

Respondent and bubble characteristics

		N	n		%		National %*
Respondent characteristics	Age
	16–19	14 876	343		2.3		5.2
	20–29		1994		13.4		14.1
	30–39		3301		22.2		13.0
	40–49		3447		23.2		13.0
	50–59		2910		19.6		13.0
	60–69		2090		14.1		10.4
	70–79		738		5.0		6.7
	80+		53		0.4		3.6
	Gender
	Female	14 361	12 111		84.3		50.6†
	Male		2169		15.1		49.4†
	Other		81		0.6
	Ethnicity‡
	European	14 344	12 589		87.8		71.1
	Māori		978		6.8		16.5
	Pacific Peoples		137		1.0		8.1
	Asian		549		3.8		15.1
	Middle Eastern/Latin American/African		86		0.6		1.5
	Other		5		0.03		0.3
	Respondent is an essential worker	14 532	3788		26.1
	Respondent is a vulnerable person	14 619	3279		22.4
	Respondent aged 70 years or older	14 876	790		5.3
		N	Mean (SD)		Median (IQR)		Range
	Age,years	14 876	45.4 (14.6)		45 (34 to 56)		16 to 93
	No of times respondent left bubble for essential work§	14 680	0.65 (2.01)		0 (0 to 0)		0 to 100
	No of times respondent left bubble for exercise§		4.27 (4.83)		4 (1 to 7)		0 to 98
	No of times respondent left bubble for shopping§		1.07 (1.44)		1 (0 to 2)		0 to 96
	No of times respondent left bubble for other reason§		0.3 (1.19)		0 (0 to 0)		0 to 28
Bubble characteristics		N	Mean (SD)		Median (IQR)		Range
	No of people per bubble	14 876	3.58 (4.63)		3 (2 to 4)		1 to 411
	No of households per bubble		1.26 (0.77)		1 (1 to 1)		1 to 30
	Total number of times bubble was left for all reasons	14 680	12.9 (12.4)		10 (5 to 18)		0 to 400
		N		N		%
	No essential worker or vulnerable person in bubble	14 876		4422		29.7
	Both essential worker and vulnerable person in bubble			2539		17.1
	Essential worker but no vulnerable person in bubble			4198		28.2
	Vulnerable person but no essential worker in bubble			3717		25.0
	At least one essential worker in bubble			6738		45.3
	At least one vulnerable person in bubble			6256		42.1

*National percentages are for census, usually resident population counts as at 30 June 2018.33
†Based on values given for sex (not gender) in 2018 census.
‡Prioritised ethnicity using Level 1 codes.
§Number of times bubble left in the preceding week.