Table 2.

Mann-Whitney U test of differences between younger versus older Canadians.

Item and group			Participants, n		Rank average		Mann Whitney U		P value
Participants' knowledge of AIa							14,779,930.50		<.001
	Younger	7644		6296.97
	Older	4408		5557.48
Comfort using personal data with informed consent							16,468,338.00		.30
	Younger	7644		5976.91
	Older	4408		6112.49
Comfort using personal data without informed consent							15,654,590.50		.001
	Younger	7644		6182.54
	Older	4408		5755.90
Comfort with AI as a major potential tool to process large amounts of data							16,540,240.00		.79
	Younger	7644		5986.32
	Older	4408		6096.18
Comfort for the uses of AI within health care in monitoring and predicting health conditions							16,104,735.50		<.001
	Younger	7644		5929.35
	Older	4408		6194.98
Comfort for the uses of AI within health care in decision support							15,483,997.00		<.001
	Younger	7644		5848.14
	Older	4408		6335.80
Comfort with AI being used in diagnostic imaging and disease detection							15,662,216.00		<.001
	Younger	7644		5871.46
	Older	4408		6295.34
Comfort for the uses of AI within health care in precision medicine							15,755,037.00		<.001
	Younger	7644		5883.60
	Older	4408		6274.31
Comfort for the uses of AI within health care in drug and vaccine development							15,122,200.00		<.001
	Younger	7644		5800.81
	Older	4408		6417.87
Comfort for the uses of AI within health care in disease monitoring at home							16,158,032.00		<.001
	Younger	7644		5936.32
	Older	4408		6182.88
Comfort for the uses of AI within health care in tracking epidemics							15,361,074.50		<.001
	Younger	7644		5832.06
	Older	4408		6363.68
Comfort for the uses of AI within health care in optimizing workflow to save time for health care							16,202,367.50		<.001
	Younger	7644		5942.12
	Older	4408		6172.83

^aAI: artificial intelligence.