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. 2020 May 22;22(5):e17129. doi: 10.2196/17129

Table 3.

Reliability in behavioral risk factor prevalence: Pearson correlation and P value.

Risk factor		Winter		Summer
		Correlation value (r)	P value	Correlation value (r)	P value
Helmet use^a
	Any helmet use	0.98	<.001	0.99	<.001
	Correct helmet use	0.82	<.001	0.86	<.001
	Incorrect helmet use	0.79	<.001	0.92	<.001
Seatbelt use^a
	Correct seatbelt use	0.82	<.001	0.82	<.001
Speeding^b
	No speeding	0.73	<.001	0.80	<.001
	≤10 kph^c over speed limit	0.61	<.001	0.63	<.001
	>10 kph over speed limit	0.72	<.001	0.73	<.001

^aMatched by date, time, location, age, sex, and position.

^bMatched by date, time, location, vehicle type, and ownership.

^ckph: kilometers per hour.