Volume 21, Number 9—September 2015
THEME ISSUE
Emerging Infections Program
Emerging Infections Program
Socioeconomic Status and Foodborne Pathogens in Connecticut, USA, 2000–20111
Bridget M. Whitney
, Christina Mainero, Elizabeth Humes, Sharon Hurd, Linda Niccolai, and James L. Hadler
, Christina Mainero, Elizabeth Humes, Sharon Hurd, Linda Niccolai, and James L. Hadler
Table 3
Incidence of STEC by age group and census tract–level SES, Connecticut, USA, 2000–2011*
| All STEC, N = 744 |
Census tract–level SES, % living below poverty level | p value† |
||||
|---|---|---|---|---|---|---|
| Total |
<5 |
5–9.9 |
10–19.9 |
≥20 |
||
| All ages | <0.001 | |||||
| Case-patients, no. | 744 | 498 | 138 | 77 | 31 | |
| PY | 41,877,972 | 21,746,820 | 8,823,930 | 6,478,176 | 4,802,394 | |
| Rate‡ | 1.78 | 2.29 | 1.56 | 1.19 | 0.65 | |
| 0–4 y | ||||||
| Case-patients, no. | 124 | 69 | 25 | 18 | 12 | 0.054 |
| PY | 2,552,700 | 1,238,688 | 508,140 | 432,696 | 373,176 | |
| Rate‡ | 4.86 | 5.57 | 4.92 | 4.16 | 3.22 | |
| 5–17 y | ||||||
| Case-patients, no. | 296 | 220 | 49 | 19 | 8 | <0.001 |
| PY | 7,399,518 | 3,977,634 | 1,435,740 | 1,088,280 | 897,636 | |
| Rate‡ | 4.00 | 5.53 | 3.41 | 1.75 | 0.89 | |
| ≥18 y | ||||||
| Case-patients, no. | 324 | 209 | 64 | 40 | 11 | <0.001 |
| PY | 31,925,754 | 16,530,498 | 6,880,050 | 4,957,200 | 3,531,582 | |
| Rate‡ | 1.01 | 1.26 | 0.93 | 0.81 | 0.31 | |
*PY, person-years; SES, socioeconomic status; STEC, Shiga toxin–producing Escherichia coli. Includes 2,221 persons living in census tracts unable to be classified by socioeconomic level.
†p-value is for χ2 test for trend.
‡Rate = number of cases/100,000 person-years.
1Preliminary results from this study were presented at the 2014 Annual Conference of the Council of State and Territorial Epidemiologists; June 23–25, 2014; Nashville, Tennessee, USA.
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