Public Health Practitioners’ Knowledge towards Nicotine and Other Cigarette Components on Various Human Diseases in Pakistan: A Contribution to Smoking Cessation Policies

Table 5

PCA Analysis.

Component	Eigenvalue	Difference	Proportion	Cumulative
1	4.37	2.29	0.44	0.44
2	2.08	0.80	0.21	0.64
3	1.28	0.21	0.13	0.77
4	1.07	0.50	0.11	0.88
5	0.57	0.16	0.06	0.94
6	0.41	0.26	0.04	0.98
7	0.15	0.09	0.01	0.99
8	0.06	0.04	0.01	1.00
9	0.02	0.01	0.00	1.00
10	0.00	.	0.00	1.00