Journal of Prevention and Treatment for Stomatological Diseases ›› 2020, Vol. 28 ›› Issue (8): 514-518.doi: 10.12016/j.issn.2096-1456.2020.08.007

• Prevention and Treatment Practice • Previous Articles     Next Articles

An epidemiological investigation of the oral health behavior of 7 680 adolescents aged 12-15 years in Guangdong Province

SHANG Linjuan1,ZHANG Jianming1,LI Jiankai1,LI Jianbo2,HUANG Shaohong2()   

  1. 1. Foshan Stomatological Hospital,School of Stomatolgy and Medicine,Foshan University, Foshan 528000, China
    2. Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
  • Received:2019-09-09 Revised:2020-03-12 Online:2020-08-20 Published:2020-07-15
  • Contact: Shaohong HUANG E-mail:hsh.china@tom.com

Abstract:

Objective To investigate the oral health behavior of urban and rural students in the 12~15 year age group in Guangdong Province, aiming to provide informational support for adolescent oral health care. Methods A multistage stratified sampling method with equal capacity and simple random sampling was applied to obtain representative samples. A total of 7 680 students aged 12 to 15 were selected from Guangdong Province, with 1 920 in each age group of 12, 13, 14 and 15 years; half were male and half were female, and half were from urban areas and half were from rural areas. According to the Fourth National Oral Health Epidemiology Questionnaire Survey Program, a standard questionnaire was designed to conduct on-the-spot investigations on sugar intake, brushing, dental floss usage, fluoride toothpaste usage. Results ① Eating before a meal and before bed: the proportion of sweet snacks, sweet drinks and sugary drinks consumed ≥2 times/day was higher in the rural group than in the urban group (P < 0.001), with only sugary drinks consumed significantly differently by age (P < 0.001). ② The rural group had a significantly lower proportion of brushing ≥ 2 times/day, flossing habits and fluoride toothpaste habits than the urban group (P < 0.001), whereas only fluoride toothpaste habits were significantly different across age groups (P < 0.001). Conclusions Among the students aged 12 to 15 in Guangdong Province, the rural group had a higher proportion of consuming desserts, sweet drinks and sweetened drinks. The proportion of brushing ≥ 2 times/day was lower, and the usage rate of floss and fluoride toothpaste was lower.

Key words: oral epidemiology, oral health behavior, adolescents, brush teeth, fluoride, sweet snacks, sweet drinks, questionnaire survey

CLC Number: 

  • R781.1

Table 1

Premeal eating habits of the 12- to 15-year-old age groups in urban and rural areas of Guangdong Province n=960"

Age(year) Urban/Rural Sweet snacks(%) Sweet drinks(%) Sweetened drinks (%)
≥ 2 times/day < 2 times/day ≥ 2 times/day < 2 times/day ≥ 2 times/day < 2 times/day
12 Urban 110(11.46) 850(88.54) 154(16.04) 806(83.96) 228(23.75) 732(76.25)
Rural 154(16.04) 806(83.96) 201(20.94) 759(79.06) 346(36.04) 614(63.96)
13 Urban 104(10.83) 856(89.17) 182(18.96) 778(81.04) 170(17.71) 790(82.29)
Rural 143(14.90) 817(85.10) 242(25.21) 718(74.79) 300(31.25) 660(68.75)
14 Urban 72(7.50) 888(92.50) 189(19.69) 771(80.31) 162(16.88) 798(83.12)
Rural 104(10.83) 856(89.17) 222(23.13) 738(76.87) 255(26.56) 705(73.44)
15 Urban 99(10.31) 861(89.69) 205(21.35) 755(78.65) 156(16.25) 804(83.75)
Rural 111(11.56) 849(88.44) 235(24.48) 725(75.52) 235(24.48) 725(75.52)
Total Urban 385(10.03) 3 455(89.97) 730(19.01) 3 110(80.99) 716(18.65) 3 124(81.35)
Rural 512(13.33) 3 328(86.67) 900(23.44) 2 940(76.56) 1 136(29.58) 2 704(70.42)
χ2 20.359 22.507 125.516
P < 0.001 < 0.001 < 0.001

Table 2

Eating habits of the 12- to 15-year-old age groups before going to bed in urban and rural areas of Guangdong Province n=960"

Age(year) Urban/Rural Sweet snacks (%) Sweet drinks (%)
Sweetened drinks (%)
≥ 2 times/day <2 times/day ≥ 2 times/day < 2 times/day ≥ 2 times/day < 2 times/day
12 Urban 88(9.17) 872(90.83) 98(10.21) 862(89.79) 182(18.96) 778(81.04)
Rural 123(12.81) 837(87.19) 161(16.77) 799(83.23) 277(28.85) 683(71.15)
13 Urban 83(8.65) 877(91.35) 146(15.21) 814(84.79) 136(14.17) 824(85.83)
Rural 114(11.88) 846(88.12) 194(20.21) 766(79.79) 240(25.00) 720(75.00)
14 Urban 58(6.04) 902(93.96) 151(15.73) 809(84.27) 130(13.54) 830(86.46)
Rural 83(8.65) 877(91.35) 178(18.54) 782(81.46) 204(21.25) 756(78.75)
15 Urban 79(8.23) 881(91.77) 164(17.08) 796(82.92) 125(13.02) 835(86.98)
Rural 89(9.27) 871(90.73) 188(19.58) 772(80.42) 188(19.58) 772(80.42)
Total Urban 308(8.02) 3 532(91.98) 559(14.56) 3 281(85.44) 573(14.92) 3 267(85.08)
Rural 409(10.65) 3 431(89.35) 721(18.78) 3 119(81.22) 909(23.67) 2 931(76.33)
χ2 15.692 24.604 94.393
P < 0.001 < 0.001 < 0.001

Table 3

Oral health behavior of 12- to 15-year-old age groups in urban and rural areas of Guangdong Province n=960"

Age(year) Urban/Rural Brushing teeth(%) Flossing(%) Using fluoride toothpaste(%)
≥2 times/day <2 times/day Yes No Yes No
12 Urban 543(56.56) 417(43.44) 23(2.40) 937(97.60) 111(11.56) 849(88.44)
Rural 373(38.85) 587(61.15) 8(0.83) 952(99.17) 40(4.17) 920(95.83)
13 Urban 541(56.35) 419(43.65) 27(2.81) 933(97.19) 115(11.98) 845(88.02)
Rural 334(34.79) 626(65.21) 8(0.83) 952(99.17) 58(6.04) 902(93.96)
14 Urban 554(57.71) 406(42.29) 16(1.67) 944(98.33) 119(12.40) 841(87.60)
Rural 362(37.71) 598(62.29) 8(0.83) 952(99.17) 74(7.71) 886(92.29)
15 Urban 536(55.83) 424(44.17) 23(2.40) 937(97.60) 144(15.00) 816(85.00)
Rural 369(38.44) 591(61.56) 7(0.73) 953(99.27) 83(8.65) 877(91.35)
Total Urban 2 174(56.61) 1 666(43.39) 89(2.32) 3 751(97.68) 489(12.73) 3 351(87.27)
Rural 1 438(37.45) 2 402(62.55) 31(0.81) 3 809(99.19) 255(6.64) 3 585(93.36)
χ2 283.131 28.478 82.491
P < 0.001 < 0.001 < 0.001
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