| Objective:AIDS is one of the fatal deseases to strongly control around the world. Up to date, there are over 6.5 million people living with HIV/AIDS (PLHA) inclinding 3.95 million survivles, about three fouth of which is transmitted by sex, while the female infection is accelerating. It is estimated that there are 650,000 PLHA in china, and the proportion of sex-born transmission meets a level of 43.6%. The rate of infection among female sex workers (FSW) climbs from 0.02% on 1996 up to 0.93% on 2004, thus sex-born transmission acts as the predominant role as for the epidemic. In china, comercial sex often happens shadily in the entertainment services, which is ususaly provided by the female workers. The majority of these female workers immigrating from other provinces and have fairly low education, they also have active sex sensation and often engage with such as antemafital sex, occasional sex and unfixed sex, while meet with a low level of condom use. Additionally, these female workers are some kinds of floating population thus get poor social support and saction. Therefore, they would act as bridge population as well as high risk population as for AIDS epidemic if being engaged in commercial sex. In this programme, we carry out the investigation on KABP among these female workers, then provide some kind intervention and assess the effectness, which is aim to sum up the character of these female workers and provide the information for the decision making of the high risk population intervention.Method:Cross-sectional invesigation is conducted in three periods, including the baseline survey on Jan-Feb 2001, the mid-term follow-up on Jun-Jul 2001 and the terminated assessment on Nov-Dec 2001. Two periods of intervetion are carried out after each of the baseline survey and mid-term follow-up.Partipants is recruited from 12 Sauna bath and entertainment rooms by cluster sampling, which is composed of massage technicians, waitress in sauna bath nd entertainment rooms. Female workers from other services such as eateries are recruited at the same time of mid-term follow-up.Intervention is programmed by means of clustering course, IEC material diffusion, Video play, discussion and counseling on site & hotline.Self-finished quentionaire is conducted afer the informed concern of the boss and participants at the time of duty altering. Investigators after unified trainning would introduce the value, constitution and methods of the questionaire, and act as supervisor and counselor for any problem and trouble. As for the participants who can not self-finish, investigators would do the face to face oral questionnaire.Qestionnaire is design by peking union medical college, the context is including demographic character, sex sensation & behavior, AIDS knowledge & attitude and prevetion information. The three investigations are done by the same questionnaire.Data is collected by EpiData3.0 and analyzed by SAS8.2. For two group independent samples, quantitative data is described by means of t-test if having a normal distribution, otherwise by means of wilcoxon test. Qualitative data is described by means of chi-square test. For matched samples, two categorical data is analyzed by McNemar test, ordinal multi-categorical data is analyzed by Wilcoxon signed rank test. Quantitative data is described by paired t-test if having a normal distribution, otherwise by means of wilcoxon signed rank test. Multiple linear regression model is used to analyze the effectness of intervention and the relevant factors. Repeated measures data is analyzed by one-way analysis of variance if according with sphericity test, otherwise by multivariate analysis of variance.Result:Of the total 613 at baseline, age of the participants is (22.99±3.46) years old, the majority have get a high school education, 55.60% with junior and 41.16% with senior. Seventy-three forty-one percent is unmarried, and mainly come from other provinces(77.32%).Of the total 590 at mid-term, 149 participants followed up have received one time of intervention while 286 are new recruitment. In addition, partipants are including 155 other female workers from eateris called as control sample.Of the total of 431 at termination, 161 participants have received one time of intervention while 70 two times. New recruitment is 201.Among the participants at mid-term, the 149 followed up (score: 6.88±1.60)meet with a higher level of knowledge on AIDS transmission camparing with the 286 baseline(score: 6.51±2.00, t=2.09, P=0.038), and there are no remarkable difference as for the total score of knowledge, score of basic knowledge and score of knowledge of safe contact(P＞O.05). As for the knowledge of pregnancy transmission, breast-feeding transmission and safe contact of swimming, the rate of correct answer are 84.27%, 68.88% and 54.20% respectively among the baseline, while 91.95%,78.52% and 65.10% respectively among the followed up. There is also no remarkable dfference as for the sex sensation & behavior (P＞0.05). The followed up (24.83%) pay more positive attitude to the PLHA cause by injecting drug using (χ~2=5.76, P=0.016) comparing with the baseline(16.78%).Among the participants at mid-term, the 286 baseline meet with a higher score of knowledge camparing with the control sample mentioned above (t-test, P＜0.05). Except for the knowledge on disease process to death and safe contact of mosquito-biting, there shows remarkable difference as for the rate of correct answer (P＜0.05). More negative attitude to condom use, commercial sex and unfixed sex are found among the control sample mentioned above, as well as the less intake of sex and condom use (chisq-test, P＜0.05). There shows no remarkable difference as for the attitude to PLHA. Except for the readiness of health education, the baseline meet with a higher level of prevention cognitive perception (P＜0.05).According to the terminated assessment, matched t-test shows that the total score of knowledge rise to a fairly higher level after one time of intervention(P＜0.05), rate of correct answer of the HIV virus, AIDS process, danger of tattoo, danger of needle sharing, mother to child transmission, safe contact of dinner, swimming and hug is raised from 58.06%,43.23%,81.61%,86.45%,85.81%,64.84%,51.94% and 44.19% respectively at baselineto 68.71%,56.77%,90.97%,93.55%,91.94%,75.16%,66.45% and 57.10% respectively after intervention(P＜0.05). There is also no remarkable difference as for the sex sensation & behavior and attitude to the PLHA(P＞0.05). The healh belief that being faithful to sex can help to avoid AIDS is raised after intervention, 84.19% post versus 76.77% before (P=0.021). Multiple linear regeression model shows the total score of knowledge at baseline is the predominant factor to the effectness of intervention (β=-0.60).The results of multivariate analysis of variance show that the scores of the total knowledge, basic knowledge and route of non-transmission are increasing after one time and two times of intervention (P＜0.001), and there is no remarkable difference among the scores of route of transmission. There are accelerating rate of correct answer of such as AIDS process, safe contact of dinner and hug after the interventions(P＜0.05). Rate of consantly condom use is raised from 47.62% at baseline to 56.92% after one time of intervention and up to 66.15% after 2 times of intervention (P＜0.05). There shows no remarkable difference as for the attitude to PLHA.Conclusion:The majority of the female workers in the entertainment services in Guangzhou are immigrating population from other provinces with often floating living, they also get fairly low education and meet with many reproductive sensation & demand.The relevant knowledge on AIDS and prevention is fairly higher among the female workers in the entertainment services comparing with other female workers, also there are more active and free sex sensation & behavior.After one time of intervention, the AIDS knowledge is raised, especially for the disease transmission. Multiple factors analysis shows that the score of AIDS knowledge is the predominat factor to the effectness of intervention. The range of acceleration as for the knowledge is amplied with the times of intervention, especially the ambiguous recoguitive perception of safe contact, while Condom use is promoted. Therefore, the effctness would accelerate along with the intervention.Many people still have negative attitude such as fear to HIV.It is important to strengthen the health education integrated with the behavior intervention among the female workers in the entertainment services, which should be designed and conducted, based on their psycho-social character and experienced demand.
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