Table 1 Distribution of independent variables for each fluorosis category
TF 0 | TF 1 | TF 2 | TF 3 | TF 4+ | Row total | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | Mean | (SD) | N | Mean | (SD) | N | Mean | (SD) | N | Mean | (SD) | N | Mean | (SD) | ||
Water Continuous Data | ||||||||||||||||
Drinking water ppm F | 163 | 0.35 | (0.37) | 209 | 0.37 | (0.39) | 94 | 0.47 | (0.40) | 51 | 0.50 | (0.44) | 43 | 0.83 | (0.90) | 560 |
Cooking water ppm F (N=560) | 163 | 0.65 | (0.84) | 209 | 1.04 | (1.02) | 94 | 1.10 | (0.87) | 51 | 1.12 | (0.93) | 43 | 2.23 | (1.52) | 560 |
N | (%) | N | (%) | N | (%) | N | (%) | N | (%) | Row Total | ||||||
Water Interval Data (ppmF) | ||||||||||||||||
Drinking water: <0.20 | 79 | (48) | 82 | (39) | 23 | (24) | 15 | (29) | 11 | (26) | 210 | |||||
0.2 to 0.59 | 55 | (34) | 85 | (41) | 45 | (48) | 21 | (41) | 12 | (28) | 218 | |||||
0.6 to 0.89 | 18 | (11) | 22 | (10) | 13 | (14) | 6 | (12) | 4 | (9) | 63 | |||||
0.9+ | 11 | (7) | 20 | (10 | 13 | (14) | 9 | (18) | 16 | (37) | 69 | |||||
Total | 163 | (100) | 209 | (100) | 94 | (100) | 51 | (100) | 43 | (100) | 560 | |||||
Cooking water: <0.20 | 52 | (32) | 39 | (19) | 5 | (5) | 6 | (12) | 1 | (2) | 103 | |||||
0.2 to 0.59 | 44 | (27) | 36 | (17) | 21 | (22) | 7 | (14) | 3 | (7) | 111 | |||||
0.6 to 0.89 | 37 | (23) | 44 | (21) | 25 | (27) | 12 | (23) | 5 | (12) | 123 | |||||
0.9 to 1.59 | 18 | (11) | 49 | (23) | 21 | (22) | 12 | (23) | 11 | (26) | 111 | |||||
1.6+ | 12 | (7) | 41 | (20) | 22 | (23) | 14 | (28) | 23 | (53) | 112 | |||||
Total | 163 | (100) | 209 | (100) | 94 | (100) | 51 | (100) | 43 | (100) | 560 | |||||
Drinking water: <0.20 | 67 | (41) | 63 | (16) | 15 | (16) | 10 | (20) | 10 | (23) | 165 | |||||
(Age 3) 0.2 to 0.59 | 52 | (32) | 76 | (43) | 40 | (43) | 13 | (26) | 10 | (23) | 191 | |||||
0.6+ | 44 | (27) | 67 | (42) | 39 | (41) | 28 | (54) | 23 | (54) | 201 | |||||
Total | 163 | (100) | 206 | (100) | 94 | (100) | 51 | (100) | 43 | (100) | 557 | |||||
Cooking water: <0.20 | 53 | (33) | 41 | (20) | 9 | (10) | 7 | (14) | 4 | (14) | 114 | |||||
(Age 3) 0.2 to 0.59 | 49 | (30) | 44 | (21) | 25 | (27) | 8 | (16) | 7 | (25) | 133 | |||||
0.6 to 0.89 | 35 | (21) | 44 | (21) | 25 | (27) | 12 | (23) | 1 | (4) | 117 | |||||
0.9 to 1.59 | 17 | (10) | 41 | (20) | 19 | (20) | 11 | (22) | 7 | (25) | 95 | |||||
1.6+ | 9 | (6) | 37 | (18) | 16 | (17) | 13 | (25) | 9 | (32) | 84 | |||||
Total | 163 | (100) | 207 | (100) | 94 | (100) | 51 | (100) | 28 | (100) | 543 | |||||
Water formula: <0.20 | 36 | (36) | 39 | (29) | 13 | (19) | 6 | (20) | 4 | (14) | 98 | |||||
0.2 to 0.59 | 32 | (32) | 50 | (37) | 29 | (41) | 9 | (29) | 7 | (25) | 127 | |||||
0.6 to 0.89 | 19 | (19) | 18 | (13) | 15 | (21) | 7 | (23) | 1 | (4) | 60 | |||||
0.9 to 1.59 | 8 | (8) | 17 | (13) | 7 | (10) | 5 | (16) | 7 | (25) | 44 | |||||
1.6+ | 4 | (4) | 11 | (8) | 6 | (9) | 4 | (13) | 9 | (32) | 34 | |||||
Total | 99 | (100) | 135 | (100) | 70 | (100) | 31 | (100) | 28 | (100) | 363 | |||||
Water Infant Food: <0.20 | 58 | (37) | 51 | (25) | 10 | (11) | 11 | (21) | 1 | (2) | 131 | |||||
0.2 to 0.59 | 47 | (30) | 50 | (24) | 29 | (31) | 10 | (20) | 6 | (14) | 142 | |||||
0.6 to 0.89 | 28 | (18) | 38 | (19) | 23 | (25) | 10 | (20) | 4 | (9) | 103 | |||||
0.9 to 1.59 | 14 | (9) | 34 | (17) | 16 | (17) | 10 | (20) | 10 | (23) | 84 | |||||
1.6+ | 9 | (6) | 31 | (15) | 15 | (16) | 10 | (20) | 22 | (51) | 87 | |||||
Total | 156 | (100) | 204 | (100) | 93 | (100) | 51 | (100) | 43 | (100) | 547 | |||||
N | (%) | N | (%) | N | (%) | N | (%) | N | (%) | Row Total | ||||||
Oral Hygiene Practices | ||||||||||||||||
Age toothbrush start: 4 years+ | 20 | (13) | 31 | (15) | 14 | (15) | 7 | (14) | 4 | (10) | 76 | |||||
3-4 years | 43 | (28) | 44 | (22) | 25 | (27) | 13 | (26) | 13 | (32) | 138 | |||||
2-3 years | 48 | (31) | 67 | (33) | 34 | (37) | 14 | (28) | 15 | (38) | 178 | |||||
1-2 years | 35 | (23) | 54 | (26) | 17 | (19) | 12 | (24) | 8 | (20) | 126 | |||||
0-1 year | 8 | (5) | 9 | (4) | 2 | (2) | 4 | (8) | 0 | (0) | 23 | |||||
Total | 154 | (100) | 205 | (100) | 92 | (100) | 50 | (100) | 40 | (100) | 541 | |||||
Toothbrushing freq:1/day | 45 | (28) | 40 | (19) | 23 | (24) | 13 | (25) | 9 | (21) | 130 | |||||
2 | 99 | (61) | 145 | (69) | 60 | (64) | 30 | (59) | 26 | (60) | 360 | |||||
3+ | 19 | (12) | 24 | (12) | 11 | (12) | 8 | (16) | 8 | (19) | 70 | |||||
Total | 163 | (100) | 209 | (100) | 94 | (100) | 51 | (100) | 43 | (100) | 560 | |||||
F content paste: < 1000 ppm) | 13 | (8) | 24 | (12) | 7 | (7) | 5 | (10) | 10 | (23) | 59 | |||||
1000 ppmF | 150 | (92) | 185 | (88) | 87 | (93) | 46 | (90) | 33 | (77) | 501 | |||||
Total | 163 | (100) | 209 | (100) | 94 | (100) | 51 | (100) | 43 | (100) | 560 | |||||
Other Variables | ||||||||||||||||
N | (%) | N | (%) | N | (%) | N | (%) | N | (%) | Row Total | ||||||
Feeding pattern: Breast alone | 47 | (32) | 58 | (30) | 18 | (21) | 20 | (40) | 13 | (32) | 156 | |||||
Breast & formula | 88 | (59) | 119 | (61) | 55 | (66) | 24 | (48) | 19 | (46) | 305 | |||||
Formula only | 14 | (9) | 17 | (9) | 11 | (13) | 6 | (12) | 9 | (22) | 57 | |||||
Total | 149 | (100) | 194 | (100) | 84 | (100) | 50 | (100) | 41 | (100) | 518 | |||||
Gender: male | 83 | (51) | 118 | (57) | 46 | (49) | 27 | (53) | 24 | (56) | 298 | |||||
female | 80 | (49) | 91 | (43) | 48 | (51) | 24 | (47) | 19 | (44) | 262 | |||||
Total | 163 | (100) | 209 | (100) | 94 | (100) | 51 | (100) | 43 | (100) | 560 | |||||