Table 3.
Characteristics of new users prescribed sodium hyaluronate eye drops over time.
| 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| New users | 33,121 | 36,772 | 38,634 | 39,874 | 38,670 | 39,346 | 40,124 | 37,063 | 35,223 | 32,428 | 31,224 | 29,501 | ||
| Incidence (100,000 person) | 3,348 | 3,677 | 3,863 | 3,987 | 3,891 | 3,982 | 4,085 | 3,796 | 3,629 | 3,362 | 3,256 | 3,094 | ||
| Sex | ||||||||||||||
| Female (%) | 21,601 (65%) | 23,146 (62%) | 24,024 (62%) | 24,381 (61%) | 23,309 (60%) | 23,252 (59%) | 23,401 (58%) | 21,626 (58%) | 20,016 (56%) | 18,294 (56%) | 17,224 (55%) | 16,125 (54%) | ||
| Age | ||||||||||||||
| Mean (SD) | 42.1 (17.7) | 42.5 (17.9) | 42.9 (17.9) | 43.1 (18.5) | 43.7 (19.2) | 43.0 (19.3) | 43.5 (19.3) | 43.1 (19.5) | 42.1 (19.6) | 42.2 (19.5) | 41.6 (19.5) | 41.7 (19.7) | ||
| Region | ||||||||||||||
| Seoul | 7,256 (22%) | 7,796 (21%) | 7,940 (21%) | 8,026 (20%) | 7,770 (20%) | 7,728 (20%) | 8,010 (20%) | 7,264 (20%) | 6,702 (19%) | 6,087 (19%) | 6,113 (20%) | 5,715 (19%) | ||
| Metropolitan excluding Seoul | 8,618 (26%) | 9,708 (26%) | 9,891 (26%) | 10,405 (26%) | 10,305 (27%) | 10,485 (27%) | 10,899 (27%) | 10,046 (27%) | 9,602 (27%) | 9,028 (28%) | 8,859 (28%) | 8,512 (29%) | ||
| City | 7,389 (22%) | 8,063 (22%) | 8,391 (22%) | 8,790 (22%) | 8,089 (21%) | 8,394 (21%) | 8,564 (21%) | 8,010 (22%) | 7,705 (22%) | 7,019 (22%) | 6,832 (22%) | 6,137 (21%) | ||
| Rural | 9,858 (30%) | 11,205 (30%) | 12,412 (32%) | 12,653 (32%) | 12,506 (32%) | 12,739 (32%) | 12,651 (32%) | 11,743 (32%) | 11,214 (32%) | 10,294 (32%) | 9,420 (30%) | 9,137 (31%) | ||
| Types | ||||||||||||||
| Self-employed | 14,035 (42%) | 14,888 (40%) | 13,854 (36%) | 14,217 (36%) | 13,284 (34%) | 13,284 (34%) | 13,177 (33%) | 11,830 (32%) | 10,492 (30%) | 9,337 (29%) | 8,664 (28%) | 7,999 (27%) | ||
| The employee | 18,998 (57%) | 2,259 (58%) | 21,822 (56%) | 23,390 (59%) | 23,470 (61%) | 24,169 (61%) | 25,338 (63%) | 23,840 (64%) | 23,471 (67%) | 21,993 (68%) | 21,637 (69%) | 20,599 (70%) | ||
| Medical aid | 88 (0%) | 625 (2%) | 2,958 (8%) | 2,267 (6%) | 1,916 (5%) | 1,893 (5%) | 1,609 (4%) | 1,393 (4%) | 1,260 (4%) | 1,058 (3%) | 923(3%) | 903 (3%) | ||
| Income level | ||||||||||||||
| The first | 4,423 (14%) | 5,518 (15%) | 5,420 (15%) | 5,464 (15%) | 5,063 (14%) | 5,302 (14%) | 5,331 (14%) | 5,189 (15%) | 4,888 (15%) | 4,872 (16%) | 4,520 (15%) | 4,481 (16%) | ||
| The second | 4,965 (15%) | 4,558 (13%) | 5,435 (15%) | 5,283 (14%) | 5,656 (16%) | 5,694 (15%) | 6,029 (16%) | 5,407 (15%) | 5,332 (16%) | 4,676 (15%) | 4,682 (16%) | 4,165 (15%) | ||
| The third | 5,858 (18%) | 6,788 (19%) | 5,873 (17%) | 6,985 (19%) | 6,532 (18%) | 7,003 (19%) | 7,010 (18%) | 6,545 (19%) | 6,030 (18%) | 5,669 (18%) | 5,457 (18%) | 5,215 (18%) | ||
| The fourth | 7,679 (23%) | 7,943 (22%) | 8,200 (23%) | 8,641 (23%) | 8,423 (23%) | 8,444 (23%) | 8,792 (23%) | 8,060 (23%) | 7,684 (23%) | 6,990 (22%) | 6,831 (23%) | 6,474 (23%) | ||
| The fifth | 9,765 (30%) | 10,945 (31%) | 10,353 (29%) | 10,859 (29%) | 10,712 (29%) | 10,655 (29%) | 11,002 (29%) | 10,131 (29%) | 9,702 (29%) | 8,895 (29%) | 8,542 (28%) | 8,005 (28%) |
Results were rounded.