Table 4:

Outcome on the relationship between injunctive norm and risky driving behavior

No	Study	Country	Sample size	Behavioural outcome	Results
1.	Cestac et al (16)	France	3002 young drivers	Intention to speed	r= 0.22, P < 0.01
2.	Cestac et al (17)	France	2428 young drivers	Intention to speed:- a) Injunctive norm (mother) b) Injunctive norm (father) c) Injunctive norm (male friends) d) Injunctive norm (female friends)	a) r= 0.13, P < 0.01 b) r= 0.16, P < 0.01 c) r= 0.19, P < 0.01 d) r= 0.24, P < 0.01
3.	Coogan et al (9)	US	990 residents	a) Speeding behaviour b) Aberrant driving	a) r=0.37, P < 0.01 b) r=0.32, P < 0.01
4.	Delhomme et al (18)	France	1192 young drivers	Intention to speed	r=0.30, P < 0.05
5.	Mawanga and Ntayi (32)	Kampala, Uganda	370 drivers	Compliance toward traffic rules	r=0.349, P < 0.01
6.	Tabibi and Pfeffer (11)	Iran	699 drivers	Intention to comply with traffic rules and regulation	r= 0.32, P < 0.001