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Table 1 Dog population characteristics, with population size estimated from the dog per person ratios in Antananavario, Madagascar, 2007

From: Dog ecology and demography in Antananarivo, 2007

  Total Arrondissements p-value
   I II III IV V VI  
  n (%) n (%) n(%) n(%) n(%) n(%) n(%)  
Households visited 1 541 296 184 316 266 257 222  
Households without dog 543 44 34 168 75 107 5 <0.01
  (35.2) (14.9) (18.5) (53.2) (28.2) (41.6) (2.3)  
Means dogs per household 1.4 1.3 1.9 0.7 1.3 1.3 1.8 <0.01
Households with surrounding wall 511 176 44 78 47 107 59 <0.01
  (35.9) (59.5) (30.3) (33.1) (17.7) (41.6) (26.6)  
Owned dogs 2180 388 320 382 360 332 398  
Gender         
Male 1336 217 190 213 239 206 271  
  (61.3) (55.9) (59.4) (55.8) (66.4) (62.0) (68.1) <0.01
Female 844 171 130 169 121 126 127  
  (38.7) (44.1) (40.6) (44.2) (33.6) (38.0) (31.9)  
Age         
Mature 1325 256 220 200 205 214 230  
  (60.8) (66.0) (68.8) (52.4) (56.9) (64.5) (57.8) <0.01
Young 514 74 79 105 105 69 82  
  (23.6) (19.1) (24.7) (27.5) (29.2) (20.8) (20.6)  
Juvenile 341 58 21 77 50 49 86  
  (15.6) (14.9) (6.6) (20.2) (13.9) (14.8) (21.6)  
Agressivity 1126 185 185 267 104 263 122 <0.01
  (51.7) (47.7) (57.8) (69.9) (28.9) (79.2) (30.7)  
Keep on a leash 147 43 18 25 17 24 20 <0.01
  (6.7) (11.1) (5.6) (6.5) (4.7) (7.2) (5.0)  
Guard 1769 269 269 324 348 236 323 <0.01
  (81.1) (69.3) (84.1) (84.8) (96.7) (71.1) (81.2)  
Dog scavenge in garbage 135 3 48 53 0 31 0 <0.01
  (6.2) (0.8) (15.0) (13.9) - (9.3) -  
History of dog-to-person aggression 147 36 30 16 19 28 18 <0.01
  (6.7) (9.3) (9.4) (4.2) (5.3) (8.4) (4.5)  
Vaccinated dogs 157 24 56 23 13 28 13 <0.01
  (7.2) (6.2) (17.5) (6.0) (3.6) (8.4) (3.3)  
Unowned dogs 274 14 82 35 47 71 25  
Gender         
Male 141 6 49 16 35 25 10  
  (51.5) (42.9) (59.8) (45.7) (74.5) (35.2) (40.0) <0.01
Female 133 8 33 19 12 46 15  
  (48.5) (57.1) (40.2) (54.3) (25.5) (64.8) (60.0)  
Age         
Mature 178 13 54 25 22 48 16  
  (65.0) (92.9) (65.9) (71.4) (46.8) (67.6) (64.0) 0.04
Young 70 1 20 10 19 13 7  
  (25.5) (7.1) (24.4) (28.6) (40.4) (18.3) (28.0)  
Juvenile 26 0 8 0 6 10 2  
  (9.5) - (9.8) - (12.8) (14.1) (8.0)  
Body condition score         
Fat 133 4 43 24 13 41 8  
  (48.5) (28.6) (52.4) (68.6) (27.7) (57.7) (32.0) <0.01
Thin 141 10 39 11 34 30 17  
  (51.5) (71.4) (47.6) (31.4) (72.3) (42.3) (68.0)  
Social behavior         
Alone 160 14 46 34 25 29 12 <0.01
  (58.4) (100.0) (56.1) (97.1) (53.2) (40.8) (48.0)  
In group 114 0 36 1 22 42 13  
  (41.6) - (43.9) (2.9) (46.8) (59.2) (52.0)  
Agressivity 23 0 8 5 1 8 1 0.23
  (8.4) - (9.8) (14.3) (2.1) (11.3) (4.0)  
Known in the neighborhood 250 10 72 30 45 69 24 <0.01
  (91.2) (71.4) (87.8) (85.7) (95.7) (97.2) (96.0)  
Overall Human Population 1 119235 226 815 170932 129188 188728 300120 103452  
Population of the studied households 10 698 2 337 1 027 1 836 1 877 1 852 1 769  
Dog Population estimated         
Owned dog to person ratio 1: 4.9 1: 6.0 1: 3.2 1: 4.8 1: 5.2 1: 5.6 1: 4.4 <0.01
Unowned dog to person ratio 1:39.0 1:166 1:12.5 1:52.5 1:39.9 1:26.1 1:70.8 <0.01
Owned dogs estimated 231 085 37 651 53 330 26 871 36 235 53 721 23 277  
Unowned Dogs estimated 29 449 1 318 10 879 2 257 4 167 9 455 1 373  
Population dog estimated 260534 38 969 64209 29 128 40 402 63 176 24 650