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. 2018 Nov 2;13(11):e0206919. doi: 10.1371/journal.pone.0206919

Table 1. Characteristic behaviors of study groups.

CONTROL
Pre—955
Post—869
INTERVENTION
Pre—1185
Post– 1102
Characteristic Behaviors
Yes No Yes No
Regarding SLT and BQ use n (%) n (%) n (%) n (%)
1 SLT and BQ use      
Pre 382 (40.0) 573 (60.0) 530 (44.7) 655 (55.7)
Post 218 (25.0) 581 (66.8) 128 (11.6) 661 (59.9)
      Quit 70 (8.0) 321 (29.0)
Knowledge and Awareness
1 Have the ill effects of SLT and BQ been taught in school in the past 12 months
Pre 755 (79.1) 200 (20.9) 912 (77.0) 273 (23.0)
Post 743 (85.5) 126 (14.5) 1003 (91.0) 99 (9.0)
2 Do you know it causes stained teeth        
Pre 903 (94.6) 52 (5.4) 1088 (91.8) 97 (8.2)
Post 854 (98.3) 15 (1.7) 1086 (98.5) 16 (1.5)
3 Do you know it causes oral ulcers        
Pre 854 (89.4) 101 (10.6) 1064 (89.8) 121 (10.2)
Post 833 (95.9) 36 (4.1) 1088 (98.7) 14 (1.3)
4 Do you know it causes white patches, which can lead to oral cancers
Pre 767 (80.3) 188 (19.7) 924 (78.0) 261 (22.0)
Post 842 (96.9) 27 (3.1) 1071 (97.2) 31 (2.8)
5 Do you know it causes limited mouth opening, leading to oral cancers
Pre 815 (85.3) 140 (14.7) 1004 (84.7) 181 (15.3)
Post 828 (95.3) 41 (4.7) 1065 (96.6) 37 (3.4)
6 Do you know it causes oral cancers
Pre 906 (94.9) 49 (5.1) 1105 (93.2) 80 (6.8)
Post 858 (98.7) 11 (1.3) 1086 (98.5) 16 (1.5)
Perceptions regarding SLT and BQ use
1 Do you think it’s harmful for your health
Pre 723 (75.7) 232 (24.3) 928 (78.3) 257 (21.7)
Post 666 (76.6) 203 (23.4) 1006 (91.3) 96 (8.7)
2 Do you think you will use SLT and BQ if your closest friend offers it to you
Pre 213 (22.3) 742 (77.7) 240 (20.3) 945 (79.7)
Post 145 (16.7) 724 (83.3) 110 (10.0) 992 (90.0)
3 Do you think you will still use it if you see pictures of cancer on product packs
Pre 80 (8.4) 875 (91.6) 77 (6.5) 1108 (93.5)
Post 22 (2.5) 847 (97.5) 30 (2.7) 1072 (97.3)
Perceptions regarding SLT and BQ Quitting
1 Do you think you can save money by quitting SLT and BQ
Pre 842 (88.2) 113 (11.8) 1004 (84.7) 181 (15.3)
Post 819 (94.2) 50 (5.8) 1033 (93.7) 69 (6.3)
2 Do you think you can live longer by quitting SLT and BQ
Pre 883 (92.5) 72 (7.5) 1100 (92.8) 85 (7.2)
Post 828 (95.3) 41 (4.7) 1064 (96.6) 38 (3.4)
3 Do you think you can have a better QoL by quitting SLT and BQ 
Pre 874 (91.5) 81 (8.5) 1106 (93.3) 79 (6.7)
Post 827 (95.2) 42 (4.8) 1077 (97.7) 25 (2.3)
4 Do you think you can stay longer with your loved ones by quitting
Pre 910 (95.3) 45 (4.7) 1127 (95.1) 58 (4.9)
Post 842 (96.9) 27 (3.1) 1092 (99.1) 10 (0.9)

BCI—Behavior Changing Intervention

Pre—First time

Post- After 3 months

QoL- Quality of life